38747475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{1019}}^1$

素因数の和:1061

約数の個数: 54

約数和(自身を含む): 75223980

約数和(自身を除く): 36476505

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 169, 195, 225, 325, 507, 585, 845, 975, 1019, 1521, 2535, 2925, 3057, 4225, 5095, 7605, 9171, 12675, 13247, 15285, 25475, 38025, 39741, 45855, 66235, 76425, 119223, 172211, 198705, 229275, 331175, 516633, 596115, 861055, 993525, 1549899, 2583165, 2980575, 4305275, 7749495, 12915825, 38747475]

約数ペア:

[(1, 38747475), (3, 12915825), (5, 7749495), (9, 4305275), (13, 2980575), (15, 2583165), (25, 1549899), (39, 993525), (45, 861055), (65, 596115), (75, 516633), (117, 331175), (169, 229275), (195, 198705), (225, 172211), (325, 119223), (507, 76425), (585, 66235), (845, 45855), (975, 39741), (1019, 38025), (1521, 25475), (2535, 15285), (2925, 13247), (3057, 12675), (4225, 9171), (5095, 7605)]