215529786

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{86143}}^1$

素因数の和:86290

約数の個数: 24

約数和(自身を含む): 470346240

約数和(自身を除く): 254816454

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 86143, 172286, 258429, 516858, 775287, 1550574, 11973877, 23947754, 35921631, 71843262, 107764893, 215529786]

約数ペア:

[(1, 215529786), (2, 107764893), (3, 71843262), (6, 35921631), (9, 23947754), (18, 11973877), (139, 1550574), (278, 775287), (417, 516858), (834, 258429), (1251, 172286), (2502, 86143)]