13181025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 25623360

約数和(自身を除く): 12442335

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 1229, 2145, 3575, 3687, 6145, 10725, 13519, 15977, 18435, 30725, 40557, 47931, 67595, 79885, 92175, 175747, 202785, 239655, 337975, 399425, 527241, 878735, 1013925, 1198275, 2636205, 4393675, 13181025]

約数ペア:

[(1, 13181025), (3, 4393675), (5, 2636205), (11, 1198275), (13, 1013925), (15, 878735), (25, 527241), (33, 399425), (39, 337975), (55, 239655), (65, 202785), (75, 175747), (143, 92175), (165, 79885), (195, 67595), (275, 47931), (325, 40557), (429, 30725), (715, 18435), (825, 15977), (975, 13519), (1229, 10725), (2145, 6145), (3575, 3687)]