220155921

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{14639}}^1$

素因数の和:15205

約数の個数: 16

約数和(自身を含む): 326764800

約数和(自身を除く): 106608879

約数列:

[1, 3, 9, 27, 557, 1671, 5013, 14639, 15039, 43917, 131751, 395253, 8153923, 24461769, 73385307, 220155921]

約数ペア:

[(1, 220155921), (3, 73385307), (9, 24461769), (27, 8153923), (557, 395253), (1671, 131751), (5013, 43917), (14639, 15039)]