128524221

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{14891}}^1$

素因数の和:15041

約数の個数: 24

約数和(自身を含む): 213729984

約数和(自身を除く): 85205763

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 14891, 44673, 104237, 134019, 312711, 938133, 2040067, 6120201, 14280469, 18360603, 42841407, 128524221]

約数ペア:

[(1, 128524221), (3, 42841407), (7, 18360603), (9, 14280469), (21, 6120201), (63, 2040067), (137, 938133), (411, 312711), (959, 134019), (1233, 104237), (2877, 44673), (8631, 14891)]