7724925

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 15797600

約数和(自身を除く): 8072675

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 75, 95, 117, 139, 171, 195, 225, 247, 285, 325, 417, 475, 585, 695, 741, 855, 975, 1235, 1251, 1425, 1807, 2085, 2223, 2641, 2925, 3475, 3705, 4275, 5421, 6175, 6255, 7923, 9035, 10425, 11115, 13205, 16263, 18525, 23769, 27105, 31275, 34333, 39615, 45175, 55575, 66025, 81315, 102999, 118845, 135525, 171665, 198075, 308997, 406575, 514995, 594225, 858325, 1544985, 2574975, 7724925]

約数ペア:

[(1, 7724925), (3, 2574975), (5, 1544985), (9, 858325), (13, 594225), (15, 514995), (19, 406575), (25, 308997), (39, 198075), (45, 171665), (57, 135525), (65, 118845), (75, 102999), (95, 81315), (117, 66025), (139, 55575), (171, 45175), (195, 39615), (225, 34333), (247, 31275), (285, 27105), (325, 23769), (417, 18525), (475, 16263), (585, 13205), (695, 11115), (741, 10425), (855, 9035), (975, 7923), (1235, 6255), (1251, 6175), (1425, 5421), (1807, 4275), (2085, 3705), (2223, 3475), (2641, 2925)]