166991565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20887}}^1$

素因数の和:20949

約数の個数: 32

約数和(自身を含む): 294771456

約数和(自身を除く): 127779891

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 20887, 62661, 104435, 271531, 313305, 814593, 856367, 1357655, 2569101, 4072965, 4281835, 11132771, 12845505, 33398313, 55663855, 166991565]

約数ペア:

[(1, 166991565), (3, 55663855), (5, 33398313), (13, 12845505), (15, 11132771), (39, 4281835), (41, 4072965), (65, 2569101), (123, 1357655), (195, 856367), (205, 814593), (533, 313305), (615, 271531), (1599, 104435), (2665, 62661), (7995, 20887)]