216610653

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{2213}}^1$

素因数の和:2361

約数の個数: 32

約数和(自身を含む): 340070400

約数和(自身を除く): 123459747

約数列:

[1, 3, 7, 21, 59, 79, 177, 237, 413, 553, 1239, 1659, 2213, 4661, 6639, 13983, 15491, 32627, 46473, 97881, 130567, 174827, 391701, 524481, 913969, 1223789, 2741907, 3671367, 10314793, 30944379, 72203551, 216610653]

約数ペア:

[(1, 216610653), (3, 72203551), (7, 30944379), (21, 10314793), (59, 3671367), (79, 2741907), (177, 1223789), (237, 913969), (413, 524481), (553, 391701), (1239, 174827), (1659, 130567), (2213, 97881), (4661, 46473), (6639, 32627), (13983, 15491)]