1818662979

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{461}}^1\times {\mathrm{571}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 2892105216

約数和(自身を除く): 1073442237

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 461, 571, 987, 1383, 1713, 2303, 3227, 3997, 6909, 9681, 11991, 21667, 22589, 26837, 27979, 65001, 67767, 80511, 83937, 151669, 187859, 263231, 455007, 563577, 789693, 1061683, 1315013, 1842617, 3185049, 3945039, 5527851, 12371857, 12898319, 37115571, 38694957, 86602999, 259808997, 606220993, 1818662979]

約数ペア:

[(1, 1818662979), (3, 606220993), (7, 259808997), (21, 86602999), (47, 38694957), (49, 37115571), (141, 12898319), (147, 12371857), (329, 5527851), (461, 3945039), (571, 3185049), (987, 1842617), (1383, 1315013), (1713, 1061683), (2303, 789693), (3227, 563577), (3997, 455007), (6909, 263231), (9681, 187859), (11991, 151669), (21667, 83937), (22589, 80511), (26837, 67767), (27979, 65001)]