38981475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{13327}}^1$

素因数の和:13356

約数の個数: 36

約数和(自身を含む): 75196576

約数和(自身を除く): 36215101

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 585, 975, 2925, 13327, 39981, 66635, 119943, 173251, 199905, 333175, 519753, 599715, 866255, 999525, 1559259, 2598765, 2998575, 4331275, 7796295, 12993825, 38981475]

約数ペア:

[(1, 38981475), (3, 12993825), (5, 7796295), (9, 4331275), (13, 2998575), (15, 2598765), (25, 1559259), (39, 999525), (45, 866255), (65, 599715), (75, 519753), (117, 333175), (195, 199905), (225, 173251), (325, 119943), (585, 66635), (975, 39981), (2925, 13327)]