221520165

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{314213}}^1$

素因数の和:314268

約数の個数: 16

約数和(自身を含む): 361974528

約数和(自身を除く): 140454363

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 314213, 942639, 1571065, 4713195, 14768011, 44304033, 73840055, 221520165]

約数ペア:

[(1, 221520165), (3, 73840055), (5, 44304033), (15, 14768011), (47, 4713195), (141, 1571065), (235, 942639), (705, 314213)]