66157221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 103778304

約数和(自身を除く): 37621083

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 127, 247, 361, 381, 481, 703, 741, 1083, 1443, 1651, 2109, 2413, 4693, 4699, 4953, 7239, 9139, 13357, 14079, 14097, 27417, 31369, 40071, 45847, 61087, 89281, 94107, 137541, 173641, 183261, 267843, 520923, 596011, 1160653, 1696339, 1788033, 3481959, 5089017, 22052407, 66157221]

約数ペア:

[(1, 66157221), (3, 22052407), (13, 5089017), (19, 3481959), (37, 1788033), (39, 1696339), (57, 1160653), (111, 596011), (127, 520923), (247, 267843), (361, 183261), (381, 173641), (481, 137541), (703, 94107), (741, 89281), (1083, 61087), (1443, 45847), (1651, 40071), (2109, 31369), (2413, 27417), (4693, 14097), (4699, 14079), (4953, 13357), (7239, 9139)]