221821731

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{467}}^1\times {\mathrm{593}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 325250640

約数和(自身を除く): 103428909

約数列:

[1, 3, 9, 89, 267, 467, 593, 801, 1401, 1779, 4203, 5337, 41563, 52777, 124689, 158331, 276931, 374067, 474993, 830793, 2492379, 24646859, 73940577, 221821731]

約数ペア:

[(1, 221821731), (3, 73940577), (9, 24646859), (89, 2492379), (267, 830793), (467, 474993), (593, 374067), (801, 276931), (1401, 158331), (1779, 124689), (4203, 52777), (5337, 41563)]