65640447

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{571}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 97173648

約数和(自身を除く): 31533201

約数列:

[1, 3, 9, 53, 159, 241, 477, 571, 723, 1713, 2169, 5139, 12773, 30263, 38319, 90789, 114957, 137611, 272367, 412833, 1238499, 7293383, 21880149, 65640447]

約数ペア:

[(1, 65640447), (3, 21880149), (9, 7293383), (53, 1238499), (159, 412833), (241, 272367), (477, 137611), (571, 114957), (723, 90789), (1713, 38319), (2169, 30263), (5139, 12773)]