220173915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{8123}}^1$

素因数の和:8283

約数の個数: 32

約数和(自身を含む): 382152960

約数和(自身を除く): 161979045

約数列:

[1, 3, 5, 13, 15, 39, 65, 139, 195, 417, 695, 1807, 2085, 5421, 8123, 9035, 24369, 27105, 40615, 105599, 121845, 316797, 527995, 1129097, 1583985, 3387291, 5645485, 14678261, 16936455, 44034783, 73391305, 220173915]

約数ペア:

[(1, 220173915), (3, 73391305), (5, 44034783), (13, 16936455), (15, 14678261), (39, 5645485), (65, 3387291), (139, 1583985), (195, 1129097), (417, 527995), (695, 316797), (1807, 121845), (2085, 105599), (5421, 40615), (8123, 27105), (9035, 24369)]