13920291

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{379}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 25608960

約数和(自身を除く): 11688669

約数列:

[1, 3, 7, 9, 11, 21, 33, 53, 63, 77, 99, 159, 231, 371, 379, 477, 583, 693, 1113, 1137, 1749, 2653, 3339, 3411, 4081, 4169, 5247, 7959, 12243, 12507, 20087, 23877, 29183, 36729, 37521, 60261, 87549, 140609, 180783, 220957, 262647, 421827, 662871, 1265481, 1546699, 1988613, 4640097, 13920291]

約数ペア:

[(1, 13920291), (3, 4640097), (7, 1988613), (9, 1546699), (11, 1265481), (21, 662871), (33, 421827), (53, 262647), (63, 220957), (77, 180783), (99, 140609), (159, 87549), (231, 60261), (371, 37521), (379, 36729), (477, 29183), (583, 23877), (693, 20087), (1113, 12507), (1137, 12243), (1749, 7959), (2653, 5247), (3339, 4169), (3411, 4081)]