220777713

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{6311}}^1$

素因数の和:6366

約数の個数: 36

約数和(自身を含む): 360389952

約数和(自身を除く): 139612239

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 169, 207, 299, 507, 897, 1521, 2691, 3887, 6311, 11661, 18933, 34983, 56799, 82043, 145153, 246129, 435459, 738387, 1066559, 1306377, 1886989, 3199677, 5660967, 9599031, 16982901, 24530857, 73592571, 220777713]

約数ペア:

[(1, 220777713), (3, 73592571), (9, 24530857), (13, 16982901), (23, 9599031), (39, 5660967), (69, 3199677), (117, 1886989), (169, 1306377), (207, 1066559), (299, 738387), (507, 435459), (897, 246129), (1521, 145153), (2691, 82043), (3887, 56799), (6311, 34983), (11661, 18933)]