2019427275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1531}}^1$

素因数の和:1996

約数の個数: 48

約数和(自身を含む): 3427022720

約数和(自身を除く): 1407595445

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 409, 645, 1075, 1227, 1531, 2045, 3225, 4593, 6135, 7655, 10225, 17587, 22965, 30675, 38275, 52761, 65833, 87935, 114825, 197499, 263805, 329165, 439675, 626179, 987495, 1319025, 1645825, 1878537, 3130895, 4937475, 9392685, 15654475, 26925697, 46963425, 80777091, 134628485, 403885455, 673142425, 2019427275]

約数ペア:

[(1, 2019427275), (3, 673142425), (5, 403885455), (15, 134628485), (25, 80777091), (43, 46963425), (75, 26925697), (129, 15654475), (215, 9392685), (409, 4937475), (645, 3130895), (1075, 1878537), (1227, 1645825), (1531, 1319025), (2045, 987495), (3225, 626179), (4593, 439675), (6135, 329165), (7655, 263805), (10225, 197499), (17587, 114825), (22965, 87935), (30675, 65833), (38275, 52761)]