212955827

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 256945920

約数和(自身を除く): 43990093

約数列:

[1, 7, 23, 131, 161, 439, 529, 917, 3013, 3073, 3703, 10097, 21091, 57509, 69299, 70679, 232231, 402563, 485093, 1322707, 1625617, 9258949, 30422261, 212955827]

約数ペア:

[(1, 212955827), (7, 30422261), (23, 9258949), (131, 1625617), (161, 1322707), (439, 485093), (529, 402563), (917, 232231), (3013, 70679), (3073, 69299), (3703, 57509), (10097, 21091)]