20121479163

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{9643}}^1$

素因数の和:9966

約数の個数: 48

約数和(自身を含む): 31228660736

約数和(自身を除く): 11107181573

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 277, 279, 831, 837, 2493, 2511, 7479, 7533, 8587, 9643, 22437, 25761, 28929, 67311, 77283, 86787, 231849, 260361, 298933, 695547, 781083, 896799, 2086641, 2343249, 2671111, 2690397, 8013333, 8071191, 24039999, 24213573, 72119997, 72640719, 82804441, 216359991, 248413323, 649079973, 745239969, 2235719907, 6707159721, 20121479163]

約数ペア:

[(1, 20121479163), (3, 6707159721), (9, 2235719907), (27, 745239969), (31, 649079973), (81, 248413323), (93, 216359991), (243, 82804441), (277, 72640719), (279, 72119997), (831, 24213573), (837, 24039999), (2493, 8071191), (2511, 8013333), (7479, 2690397), (7533, 2671111), (8587, 2343249), (9643, 2086641), (22437, 896799), (25761, 781083), (28929, 695547), (67311, 298933), (77283, 260361), (86787, 231849)]