12157929

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1490

約数の個数: 36

約数和(自身を含む): 21518640

約数和(自身を除く): 9360711

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 1451, 2793, 4353, 8379, 10157, 13059, 27569, 30471, 71099, 82707, 91413, 192983, 213297, 248121, 578949, 639891, 1350881, 1736847, 4052643, 12157929]

約数ペア:

[(1, 12157929), (3, 4052643), (7, 1736847), (9, 1350881), (19, 639891), (21, 578949), (49, 248121), (57, 213297), (63, 192983), (133, 91413), (147, 82707), (171, 71099), (399, 30471), (441, 27569), (931, 13059), (1197, 10157), (1451, 8379), (2793, 4353)]