25478271

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2393}}^1$

素因数の和:2432

約数の個数: 36

約数和(自身を含む): 45562608

約数和(自身を除く): 20084337

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 2393, 3549, 7179, 10647, 16751, 21537, 31109, 50253, 93327, 150759, 217763, 279981, 404417, 653289, 1213251, 1959867, 2830919, 3639753, 8492757, 25478271]

約数ペア:

[(1, 25478271), (3, 8492757), (7, 3639753), (9, 2830919), (13, 1959867), (21, 1213251), (39, 653289), (63, 404417), (91, 279981), (117, 217763), (169, 150759), (273, 93327), (507, 50253), (819, 31109), (1183, 21537), (1521, 16751), (2393, 10647), (3549, 7179)]