66677289

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23873}}^1$

素因数の和:23909

約数の個数: 24

約数和(自身を含む): 108865440

約数和(自身を除く): 42188151

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 23873, 71619, 167111, 453587, 501333, 1169777, 1360761, 3175109, 3509331, 9525327, 22225763, 66677289]

約数ペア:

[(1, 66677289), (3, 22225763), (7, 9525327), (19, 3509331), (21, 3175109), (49, 1360761), (57, 1169777), (133, 501333), (147, 453587), (399, 167111), (931, 71619), (2793, 23873)]