27693393

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 48134016

約数和(自身を除く): 20440623

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 281, 361, 399, 741, 843, 1083, 1729, 1967, 2527, 3653, 4693, 5187, 5339, 5901, 7581, 10959, 14079, 16017, 25571, 32851, 37373, 69407, 76713, 98553, 101441, 112119, 208221, 304323, 485849, 710087, 1318733, 1457547, 2130261, 3956199, 9231131, 27693393]

約数ペア:

[(1, 27693393), (3, 9231131), (7, 3956199), (13, 2130261), (19, 1457547), (21, 1318733), (39, 710087), (57, 485849), (91, 304323), (133, 208221), (247, 112119), (273, 101441), (281, 98553), (361, 76713), (399, 69407), (741, 37373), (843, 32851), (1083, 25571), (1729, 16017), (1967, 14079), (2527, 10959), (3653, 7581), (4693, 5901), (5187, 5339)]