1839825

素因数分解:

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

素因数の和:83

約数の個数: 72

約数和(自身を含む): 3859128

約数和(自身を除く): 2019303

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 37, 39, 45, 51, 65, 75, 85, 111, 117, 153, 185, 195, 221, 225, 255, 325, 333, 425, 481, 555, 585, 629, 663, 765, 925, 975, 1105, 1275, 1443, 1665, 1887, 1989, 2405, 2775, 2925, 3145, 3315, 3825, 4329, 5525, 5661, 7215, 8177, 8325, 9435, 9945, 12025, 15725, 16575, 21645, 24531, 28305, 36075, 40885, 47175, 49725, 73593, 108225, 122655, 141525, 204425, 367965, 613275, 1839825]

約数ペア:

[(1, 1839825), (3, 613275), (5, 367965), (9, 204425), (13, 141525), (15, 122655), (17, 108225), (25, 73593), (37, 49725), (39, 47175), (45, 40885), (51, 36075), (65, 28305), (75, 24531), (85, 21645), (111, 16575), (117, 15725), (153, 12025), (185, 9945), (195, 9435), (221, 8325), (225, 8177), (255, 7215), (325, 5661), (333, 5525), (425, 4329), (481, 3825), (555, 3315), (585, 3145), (629, 2925), (663, 2775), (765, 2405), (925, 1989), (975, 1887), (1105, 1665), (1275, 1443)]