37920681

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 56394624

約数和(自身を除く): 18473943

約数列:

[1, 3, 9, 47, 141, 157, 423, 471, 571, 1413, 1713, 5139, 7379, 22137, 26837, 66411, 80511, 89647, 241533, 268941, 806823, 4213409, 12640227, 37920681]

約数ペア:

[(1, 37920681), (3, 12640227), (9, 4213409), (47, 806823), (141, 268941), (157, 241533), (423, 89647), (471, 80511), (571, 66411), (1413, 26837), (1713, 22137), (5139, 7379)]