2180385

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 4008960

約数和(自身を除く): 1828575

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 521, 837, 1395, 1563, 2605, 4185, 4689, 7815, 14067, 16151, 23445, 48453, 70335, 80755, 145359, 242265, 436077, 726795, 2180385]

約数ペア:

[(1, 2180385), (3, 726795), (5, 436077), (9, 242265), (15, 145359), (27, 80755), (31, 70335), (45, 48453), (93, 23445), (135, 16151), (155, 14067), (279, 7815), (465, 4689), (521, 4185), (837, 2605), (1395, 1563)]