66915541

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 84694400

約数和(自身を除く): 17778859

約数列:

[1, 7, 11, 77, 121, 199, 397, 847, 1393, 2189, 2779, 4367, 15323, 24079, 30569, 48037, 79003, 168553, 336259, 553021, 869033, 6083231, 9559363, 66915541]

約数ペア:

[(1, 66915541), (7, 9559363), (11, 6083231), (77, 869033), (121, 553021), (199, 336259), (397, 168553), (847, 79003), (1393, 48037), (2189, 30569), (2779, 24079), (4367, 15323)]