31888521

素因数分解:

$3^2\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1153}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 52807040

約数和(自身を除く): 20918519

約数列:

[1, 3, 7, 9, 21, 63, 439, 1153, 1317, 3073, 3459, 3951, 8071, 9219, 10377, 24213, 27657, 72639, 506167, 1518501, 3543169, 4555503, 10629507, 31888521]

約数ペア:

[(1, 31888521), (3, 10629507), (7, 4555503), (9, 3543169), (21, 1518501), (63, 506167), (439, 72639), (1153, 27657), (1317, 24213), (3073, 10377), (3459, 9219), (3951, 8071)]