68759925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 123742080

約数和(自身を除く): 54982155

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 109, 195, 325, 327, 545, 647, 975, 1417, 1635, 1941, 2725, 3235, 4251, 7085, 8175, 8411, 9705, 16175, 21255, 25233, 35425, 42055, 48525, 70523, 106275, 126165, 210275, 211569, 352615, 630825, 916799, 1057845, 1763075, 2750397, 4583995, 5289225, 13751985, 22919975, 68759925]

約数ペア:

[(1, 68759925), (3, 22919975), (5, 13751985), (13, 5289225), (15, 4583995), (25, 2750397), (39, 1763075), (65, 1057845), (75, 916799), (109, 630825), (195, 352615), (325, 211569), (327, 210275), (545, 126165), (647, 106275), (975, 70523), (1417, 48525), (1635, 42055), (1941, 35425), (2725, 25233), (3235, 21255), (4251, 16175), (7085, 9705), (8175, 8411)]