139644

素因数分解:

$2^2\times 3^4\times {\mathrm{431}}^1$

素因数の和:447

約数の個数: 30

約数和(自身を含む): 365904

約数和(自身を除く): 226260

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 431, 862, 1293, 1724, 2586, 3879, 5172, 7758, 11637, 15516, 23274, 34911, 46548, 69822, 139644]

約数ペア:

[(1, 139644), (2, 69822), (3, 46548), (4, 34911), (6, 23274), (9, 15516), (12, 11637), (18, 7758), (27, 5172), (36, 3879), (54, 2586), (81, 1724), (108, 1293), (162, 862), (324, 431)]