139881609

素因数分解:

$3^2\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{2137}}^1$

素因数の和:3189

約数の個数: 24

約数和(自身を含む): 231246080

約数和(自身を除く): 91364471

約数列:

[1, 3, 7, 9, 21, 63, 1039, 2137, 3117, 6411, 7273, 9351, 14959, 19233, 21819, 44877, 65457, 134631, 2220343, 6661029, 15542401, 19983087, 46627203, 139881609]

約数ペア:

[(1, 139881609), (3, 46627203), (7, 19983087), (9, 15542401), (21, 6661029), (63, 2220343), (1039, 134631), (2137, 65457), (3117, 44877), (6411, 21819), (7273, 19233), (9351, 14959)]