407020239

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71899}}^1$

素因数の和:71959

約数の個数: 24

約数和(自身を含む): 639334800

約数和(自身を除く): 232314561

約数列:

[1, 3, 9, 17, 37, 51, 111, 153, 333, 629, 1887, 5661, 71899, 215697, 647091, 1222283, 2660263, 3666849, 7980789, 11000547, 23942367, 45224471, 135673413, 407020239]

約数ペア:

[(1, 407020239), (3, 135673413), (9, 45224471), (17, 23942367), (37, 11000547), (51, 7980789), (111, 3666849), (153, 2660263), (333, 1222283), (629, 647091), (1887, 215697), (5661, 71899)]