66427543

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 85205120

約数和(自身を除く): 18777577

約数列:

[1, 7, 13, 37, 91, 109, 181, 259, 481, 763, 1267, 1417, 2353, 3367, 4033, 6697, 9919, 16471, 19729, 28231, 46879, 52429, 87061, 138103, 256477, 367003, 609427, 729973, 1795339, 5109811, 9489649, 66427543]

約数ペア:

[(1, 66427543), (7, 9489649), (13, 5109811), (37, 1795339), (91, 729973), (109, 609427), (181, 367003), (259, 256477), (481, 138103), (763, 87061), (1267, 52429), (1417, 46879), (2353, 28231), (3367, 19729), (4033, 16471), (6697, 9919)]