16978545

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4057}}^1$

素因数の和:4102

約数の個数: 32

約数和(自身を含む): 31165440

約数和(自身を除く): 14186895

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4057, 4185, 12171, 20285, 36513, 60855, 109539, 125767, 182565, 377301, 547695, 628835, 1131903, 1886505, 3395709, 5659515, 16978545]

約数ペア:

[(1, 16978545), (3, 5659515), (5, 3395709), (9, 1886505), (15, 1131903), (27, 628835), (31, 547695), (45, 377301), (93, 182565), (135, 125767), (155, 109539), (279, 60855), (465, 36513), (837, 20285), (1395, 12171), (4057, 4185)]