207237771

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{15139}}^1$

素因数の和:15177

約数の個数: 30

約数和(自身を含む): 335245020

約数和(自身を除く): 128007249

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1521, 4563, 13689, 15139, 45417, 136251, 196807, 408753, 590421, 1226259, 1771263, 2558491, 5313789, 7675473, 15941367, 23026419, 69079257, 207237771]

約数ペア:

[(1, 207237771), (3, 69079257), (9, 23026419), (13, 15941367), (27, 7675473), (39, 5313789), (81, 2558491), (117, 1771263), (169, 1226259), (351, 590421), (507, 408753), (1053, 196807), (1521, 136251), (4563, 45417), (13689, 15139)]