2117865

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:800

約数の個数: 16

約数和(自身を含む): 3407616

約数和(自身を除く): 1289751

約数列:

[1, 3, 5, 15, 271, 521, 813, 1355, 1563, 2605, 4065, 7815, 141191, 423573, 705955, 2117865]

約数ペア:

[(1, 2117865), (3, 705955), (5, 423573), (15, 141191), (271, 7815), (521, 4065), (813, 2605), (1355, 1563)]