210966915

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{198091}}^1$

素因数の和:198170

約数の個数: 16

約数和(自身を含む): 342302976

約数和(自身を除く): 131336061

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 198091, 594273, 990455, 2971365, 14064461, 42193383, 70322305, 210966915]

約数ペア:

[(1, 210966915), (3, 70322305), (5, 42193383), (15, 14064461), (71, 2971365), (213, 990455), (355, 594273), (1065, 198091)]