2638695

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4091}}^1$

素因数の和:4142

約数の個数: 16

約数和(自身を含む): 4321152

約数和(自身を除く): 1682457

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 4091, 12273, 20455, 61365, 175913, 527739, 879565, 2638695]

約数ペア:

[(1, 2638695), (3, 879565), (5, 527739), (15, 175913), (43, 61365), (129, 20455), (215, 12273), (645, 4091)]