207900225

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 439940592

約数和(自身を除く): 232040367

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 37, 39, 45, 51, 65, 75, 85, 111, 113, 117, 153, 185, 195, 221, 225, 255, 325, 333, 339, 425, 481, 555, 565, 585, 629, 663, 765, 925, 975, 1017, 1105, 1275, 1443, 1469, 1665, 1695, 1887, 1921, 1989, 2405, 2775, 2825, 2925, 3145, 3315, 3825, 4181, 4329, 4407, 5085, 5525, 5661, 5763, 7215, 7345, 8177, 8325, 8475, 9435, 9605, 9945, 12025, 12543, 13221, 15725, 16575, 17289, 20905, 21645, 22035, 24531, 24973, 25425, 28305, 28815, 36075, 36725, 37629, 40885, 47175, 48025, 49725, 54353, 62715, 66105, 71077, 73593, 74919, 86445, 104525, 108225, 110175, 122655, 124865, 141525, 144075, 163059, 188145, 204425, 213231, 224757, 271765, 313575, 330525, 355385, 367965, 374595, 432225, 489177, 613275, 624325, 639693, 815295, 924001, 940725, 1066155, 1123785, 1358825, 1776925, 1839825, 1872975, 2445885, 2772003, 3198465, 4076475, 4620005, 5330775, 5618925, 8316009, 12229425, 13860015, 15992325, 23100025, 41580045, 69300075, 207900225]

約数ペア:

[(1, 207900225), (3, 69300075), (5, 41580045), (9, 23100025), (13, 15992325), (15, 13860015), (17, 12229425), (25, 8316009), (37, 5618925), (39, 5330775), (45, 4620005), (51, 4076475), (65, 3198465), (75, 2772003), (85, 2445885), (111, 1872975), (113, 1839825), (117, 1776925), (153, 1358825), (185, 1123785), (195, 1066155), (221, 940725), (225, 924001), (255, 815295), (325, 639693), (333, 624325), (339, 613275), (425, 489177), (481, 432225), (555, 374595), (565, 367965), (585, 355385), (629, 330525), (663, 313575), (765, 271765), (925, 224757), (975, 213231), (1017, 204425), (1105, 188145), (1275, 163059), (1443, 144075), (1469, 141525), (1665, 124865), (1695, 122655), (1887, 110175), (1921, 108225), (1989, 104525), (2405, 86445), (2775, 74919), (2825, 73593), (2925, 71077), (3145, 66105), (3315, 62715), (3825, 54353), (4181, 49725), (4329, 48025), (4407, 47175), (5085, 40885), (5525, 37629), (5661, 36725), (5763, 36075), (7215, 28815), (7345, 28305), (8177, 25425), (8325, 24973), (8475, 24531), (9435, 22035), (9605, 21645), (9945, 20905), (12025, 17289), (12543, 16575), (13221, 15725)]