42687281

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3527}}^1$

素因数の和:3573

約数の個数: 24

約数和(自身を含む): 56306880

約数和(自身を除く): 13619599

約数列:

[1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 3527, 12103, 24689, 45851, 67013, 172823, 320957, 469091, 871169, 2246699, 3283637, 6098183, 42687281]

約数ペア:

[(1, 42687281), (7, 6098183), (13, 3283637), (19, 2246699), (49, 871169), (91, 469091), (133, 320957), (247, 172823), (637, 67013), (931, 45851), (1729, 24689), (3527, 12103)]