221421021

素因数分解:

$3^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1\times {\mathrm{601}}^1$

素因数の和:1372

約数の個数: 16

約数和(自身を含む): 297571008

約数和(自身を除く): 76149987

約数列:

[1, 3, 227, 541, 601, 681, 1623, 1803, 122807, 136427, 325141, 368421, 409281, 975423, 73807007, 221421021]

約数ペア:

[(1, 221421021), (3, 73807007), (227, 975423), (541, 409281), (601, 368421), (681, 325141), (1623, 136427), (1803, 122807)]