27780291

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40087}}^1$

素因数の和:40111

約数の個数: 24

約数和(自身を含む): 50029824

約数和(自身を除く): 22249533

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40087, 120261, 280609, 360783, 440957, 841827, 1322871, 2525481, 3086699, 3968613, 9260097, 27780291]

約数ペア:

[(1, 27780291), (3, 9260097), (7, 3968613), (9, 3086699), (11, 2525481), (21, 1322871), (33, 841827), (63, 440957), (77, 360783), (99, 280609), (231, 120261), (693, 40087)]