221435511

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{929}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 334264320

約数和(自身を除く): 112828809

約数列:

[1, 3, 11, 31, 33, 93, 233, 341, 699, 929, 1023, 2563, 2787, 7223, 7689, 10219, 21669, 28799, 30657, 79453, 86397, 216457, 238359, 316789, 649371, 950367, 2381027, 6710167, 7143081, 20130501, 73811837, 221435511]

約数ペア:

[(1, 221435511), (3, 73811837), (11, 20130501), (31, 7143081), (33, 6710167), (93, 2381027), (233, 950367), (341, 649371), (699, 316789), (929, 238359), (1023, 216457), (2563, 86397), (2787, 79453), (7223, 30657), (7689, 28799), (10219, 21669)]