15657945

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:413

約数の個数: 32

約数和(自身を含む): 26148864

約数和(自身を除く): 10490919

約数列:

[1, 3, 5, 15, 31, 93, 151, 155, 223, 453, 465, 669, 755, 1115, 2265, 3345, 4681, 6913, 14043, 20739, 23405, 33673, 34565, 70215, 101019, 103695, 168365, 505095, 1043863, 3131589, 5219315, 15657945]

約数ペア:

[(1, 15657945), (3, 5219315), (5, 3131589), (15, 1043863), (31, 505095), (93, 168365), (151, 103695), (155, 101019), (223, 70215), (453, 34565), (465, 33673), (669, 23405), (755, 20739), (1115, 14043), (2265, 6913), (3345, 4681)]