213908761

素因数分解:

${\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 242861192

約数和(自身を除く): 28952431

約数列:

[1, 11, 61, 73, 121, 397, 671, 803, 4367, 4453, 7381, 8833, 24217, 28981, 48037, 48983, 266387, 318791, 538813, 1767841, 2930257, 3506701, 19446251, 213908761]

約数ペア:

[(1, 213908761), (11, 19446251), (61, 3506701), (73, 2930257), (121, 1767841), (397, 538813), (671, 318791), (803, 266387), (4367, 48983), (4453, 48037), (7381, 28981), (8833, 24217)]