399853753

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1617

約数の個数: 24

約数和(自身を含む): 464184000

約数和(自身を除く): 64330247

約数列:

[1, 13, 17, 71, 221, 289, 923, 1207, 1499, 3757, 15691, 19487, 20519, 25483, 106429, 266747, 331279, 433211, 1383577, 1809293, 5631743, 23520809, 30757981, 399853753]

約数ペア:

[(1, 399853753), (13, 30757981), (17, 23520809), (71, 5631743), (221, 1809293), (289, 1383577), (923, 433211), (1207, 331279), (1499, 266747), (3757, 106429), (15691, 25483), (19487, 20519)]