637728399

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21401}}^1$

素因数の和:21468

約数の個数: 48

約数和(自身を含む): 1175226624

約数和(自身を除く): 537498225

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 1419, 2709, 3311, 4257, 9933, 21401, 29799, 64203, 149807, 192609, 235411, 449421, 706233, 920243, 1348263, 1647877, 2118699, 2760729, 4943631, 6441701, 8282187, 10122673, 14830893, 19325103, 30368019, 57975309, 70858711, 91104057, 212576133, 637728399]

約数ペア:

[(1, 637728399), (3, 212576133), (7, 91104057), (9, 70858711), (11, 57975309), (21, 30368019), (33, 19325103), (43, 14830893), (63, 10122673), (77, 8282187), (99, 6441701), (129, 4943631), (231, 2760729), (301, 2118699), (387, 1647877), (473, 1348263), (693, 920243), (903, 706233), (1419, 449421), (2709, 235411), (3311, 192609), (4257, 149807), (9933, 64203), (21401, 29799)]