318289725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 671488272

約数和(自身を除く): 353198547

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 37, 39, 45, 51, 65, 75, 85, 111, 117, 153, 173, 185, 195, 221, 225, 255, 325, 333, 425, 481, 519, 555, 585, 629, 663, 765, 865, 925, 975, 1105, 1275, 1443, 1557, 1665, 1887, 1989, 2249, 2405, 2595, 2775, 2925, 2941, 3145, 3315, 3825, 4325, 4329, 5525, 5661, 6401, 6747, 7215, 7785, 8177, 8325, 8823, 9435, 9945, 11245, 12025, 12975, 14705, 15725, 16575, 19203, 20241, 21645, 24531, 26469, 28305, 32005, 33735, 36075, 38233, 38925, 40885, 44115, 47175, 49725, 56225, 57609, 73525, 73593, 83213, 96015, 101205, 108225, 108817, 114699, 122655, 132345, 141525, 160025, 168675, 191165, 204425, 220575, 249639, 288045, 326451, 344097, 367965, 416065, 480075, 506025, 544085, 573495, 613275, 661725, 748917, 955825, 979353, 1248195, 1414621, 1440225, 1632255, 1720485, 1839825, 2080325, 2720425, 2867475, 3744585, 4243863, 4896765, 6240975, 7073105, 8161275, 8602425, 12731589, 18722925, 21219315, 24483825, 35365525, 63657945, 106096575, 318289725]

約数ペア:

[(1, 318289725), (3, 106096575), (5, 63657945), (9, 35365525), (13, 24483825), (15, 21219315), (17, 18722925), (25, 12731589), (37, 8602425), (39, 8161275), (45, 7073105), (51, 6240975), (65, 4896765), (75, 4243863), (85, 3744585), (111, 2867475), (117, 2720425), (153, 2080325), (173, 1839825), (185, 1720485), (195, 1632255), (221, 1440225), (225, 1414621), (255, 1248195), (325, 979353), (333, 955825), (425, 748917), (481, 661725), (519, 613275), (555, 573495), (585, 544085), (629, 506025), (663, 480075), (765, 416065), (865, 367965), (925, 344097), (975, 326451), (1105, 288045), (1275, 249639), (1443, 220575), (1557, 204425), (1665, 191165), (1887, 168675), (1989, 160025), (2249, 141525), (2405, 132345), (2595, 122655), (2775, 114699), (2925, 108817), (2941, 108225), (3145, 101205), (3315, 96015), (3825, 83213), (4325, 73593), (4329, 73525), (5525, 57609), (5661, 56225), (6401, 49725), (6747, 47175), (7215, 44115), (7785, 40885), (8177, 38925), (8325, 38233), (8823, 36075), (9435, 33735), (9945, 32005), (11245, 28305), (12025, 26469), (12975, 24531), (14705, 21645), (15725, 20241), (16575, 19203)]