12875025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 22498560

約数和(自身を除く): 9623535

約数列:

[1, 3, 5, 15, 25, 41, 53, 75, 79, 123, 159, 205, 237, 265, 395, 615, 795, 1025, 1185, 1325, 1975, 2173, 3075, 3239, 3975, 4187, 5925, 6519, 9717, 10865, 12561, 16195, 20935, 32595, 48585, 54325, 62805, 80975, 104675, 162975, 171667, 242925, 314025, 515001, 858335, 2575005, 4291675, 12875025]

約数ペア:

[(1, 12875025), (3, 4291675), (5, 2575005), (15, 858335), (25, 515001), (41, 314025), (53, 242925), (75, 171667), (79, 162975), (123, 104675), (159, 80975), (205, 62805), (237, 54325), (265, 48585), (395, 32595), (615, 20935), (795, 16195), (1025, 12561), (1185, 10865), (1325, 9717), (1975, 6519), (2173, 5925), (3075, 4187), (3239, 3975)]