138879189

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7451}}^1$

素因数の和:7585

約数の個数: 24

約数和(自身を含む): 213127200

約数和(自身を除く): 74248011

約数列:

[1, 3, 9, 19, 57, 109, 171, 327, 981, 2071, 6213, 7451, 18639, 22353, 67059, 141569, 424707, 812159, 1274121, 2436477, 7309431, 15431021, 46293063, 138879189]

約数ペア:

[(1, 138879189), (3, 46293063), (9, 15431021), (19, 7309431), (57, 2436477), (109, 1274121), (171, 812159), (327, 424707), (981, 141569), (2071, 67059), (6213, 22353), (7451, 18639)]