845223981

素因数分解:

$3^1\times 7^2\times {\mathrm{617}}^1\times {\mathrm{9319}}^1$

素因数の和:9953

約数の個数: 24

約数和(自身を含む): 1313225280

約数和(自身を除く): 468001299

約数列:

[1, 3, 7, 21, 49, 147, 617, 1851, 4319, 9319, 12957, 27957, 30233, 65233, 90699, 195699, 456631, 1369893, 5749823, 17249469, 40248761, 120746283, 281741327, 845223981]

約数ペア:

[(1, 845223981), (3, 281741327), (7, 120746283), (21, 40248761), (49, 17249469), (147, 5749823), (617, 1369893), (1851, 456631), (4319, 195699), (9319, 90699), (12957, 65233), (27957, 30233)]