220105893

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{21089}}^1$

素因数の和:21177

約数の個数: 24

約数和(自身を含む): 346213440

約数和(自身を除く): 126107547

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 21089, 63267, 147623, 442869, 1033361, 1497319, 3100083, 4491957, 10481233, 31443699, 73368631, 220105893]

約数ペア:

[(1, 220105893), (3, 73368631), (7, 31443699), (21, 10481233), (49, 4491957), (71, 3100083), (147, 1497319), (213, 1033361), (497, 442869), (1491, 147623), (3479, 63267), (10437, 21089)]