420869757

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{3271}}^1$

素因数の和:3849

約数の個数: 32

約数和(自身を含む): 701097984

約数和(自身を除く): 280228227

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 557, 1671, 3271, 3899, 6127, 9813, 11697, 18381, 22897, 35981, 42889, 68691, 107943, 128667, 251867, 755601, 1821947, 5465841, 12753629, 20041417, 38260887, 60124251, 140289919, 420869757]

約数ペア:

[(1, 420869757), (3, 140289919), (7, 60124251), (11, 38260887), (21, 20041417), (33, 12753629), (77, 5465841), (231, 1821947), (557, 755601), (1671, 251867), (3271, 128667), (3899, 107943), (6127, 68691), (9813, 42889), (11697, 35981), (18381, 22897)]