280757085

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{56891}}^1$

素因数の和:56953

約数の個数: 32

約数和(自身を含む): 524316672

約数和(自身を除く): 243559587

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 56891, 170673, 284455, 398237, 853365, 1194711, 1991185, 2673877, 5973555, 8021631, 13369385, 18717139, 40108155, 56151417, 93585695, 280757085]

約数ペア:

[(1, 280757085), (3, 93585695), (5, 56151417), (7, 40108155), (15, 18717139), (21, 13369385), (35, 8021631), (47, 5973555), (105, 2673877), (141, 1991185), (235, 1194711), (329, 853365), (705, 398237), (987, 284455), (1645, 170673), (4935, 56891)]