668492703

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{709}}^1\times {\mathrm{743}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 1014220800

約数和(自身を除く): 345728097

約数列:

[1, 3, 9, 27, 47, 141, 423, 709, 743, 1269, 2127, 2229, 6381, 6687, 19143, 20061, 33323, 34921, 99969, 104763, 299907, 314289, 526787, 899721, 942867, 1580361, 4741083, 14223249, 24758989, 74276967, 222830901, 668492703]

約数ペア:

[(1, 668492703), (3, 222830901), (9, 74276967), (27, 24758989), (47, 14223249), (141, 4741083), (423, 1580361), (709, 942867), (743, 899721), (1269, 526787), (2127, 314289), (2229, 299907), (6381, 104763), (6687, 99969), (19143, 34921), (20061, 33323)]