2008549995

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{84163}}^1$

素因数の和:84251

約数の個数: 32

約数和(自身を含む): 3377332992

約数和(自身を除く): 1368782997

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1591, 4773, 7955, 23865, 84163, 252489, 420815, 1262445, 3114031, 3619009, 9342093, 10857027, 15570155, 18095045, 46710465, 54285135, 133903333, 401709999, 669516665, 2008549995]

約数ペア:

[(1, 2008549995), (3, 669516665), (5, 401709999), (15, 133903333), (37, 54285135), (43, 46710465), (111, 18095045), (129, 15570155), (185, 10857027), (215, 9342093), (555, 3619009), (645, 3114031), (1591, 1262445), (4773, 420815), (7955, 252489), (23865, 84163)]