259884495

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6257}}^1$

素因数の和:6352

約数の個数: 48

約数和(自身を含む): 492028992

約数和(自身を除く): 232144497

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 923, 1065, 2769, 3195, 4615, 6257, 8307, 13845, 18771, 31285, 41535, 56313, 81341, 93855, 244023, 281565, 406705, 444247, 732069, 1220115, 1332741, 2221235, 3660345, 3998223, 5775211, 6663705, 17325633, 19991115, 28876055, 51976899, 86628165, 259884495]

約数ペア:

[(1, 259884495), (3, 86628165), (5, 51976899), (9, 28876055), (13, 19991115), (15, 17325633), (39, 6663705), (45, 5775211), (65, 3998223), (71, 3660345), (117, 2221235), (195, 1332741), (213, 1220115), (355, 732069), (585, 444247), (639, 406705), (923, 281565), (1065, 244023), (2769, 93855), (3195, 81341), (4615, 56313), (6257, 41535), (8307, 31285), (13845, 18771)]