53261325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 104264160

約数和(自身を除く): 51002835

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 131, 139, 195, 225, 325, 393, 417, 585, 655, 695, 975, 1179, 1251, 1703, 1807, 1965, 2085, 2925, 3275, 3475, 5109, 5421, 5895, 6255, 8515, 9035, 9825, 10425, 15327, 16263, 18209, 25545, 27105, 29475, 31275, 42575, 45175, 54627, 76635, 81315, 91045, 127725, 135525, 163881, 236717, 273135, 383175, 406575, 455225, 710151, 819405, 1183585, 1365675, 2130453, 3550755, 4097025, 5917925, 10652265, 17753775, 53261325]

約数ペア:

[(1, 53261325), (3, 17753775), (5, 10652265), (9, 5917925), (13, 4097025), (15, 3550755), (25, 2130453), (39, 1365675), (45, 1183585), (65, 819405), (75, 710151), (117, 455225), (131, 406575), (139, 383175), (195, 273135), (225, 236717), (325, 163881), (393, 135525), (417, 127725), (585, 91045), (655, 81315), (695, 76635), (975, 54627), (1179, 45175), (1251, 42575), (1703, 31275), (1807, 29475), (1965, 27105), (2085, 25545), (2925, 18209), (3275, 16263), (3475, 15327), (5109, 10425), (5421, 9825), (5895, 9035), (6255, 8515)]