28161640101

素因数分解:

$3^1\times 7^3\times {\mathrm{379}}^1\times {\mathrm{72211}}^1$

素因数の和:72614

約数の個数: 32

約数和(自身を含む): 43904896000

約数和(自身を除く): 15743255899

約数列:

[1, 3, 7, 21, 49, 147, 343, 379, 1029, 1137, 2653, 7959, 18571, 55713, 72211, 129997, 216633, 389991, 505477, 1516431, 3538339, 10615017, 24768373, 27367969, 74305119, 82103907, 191575783, 574727349, 1341030481, 4023091443, 9387213367, 28161640101]

約数ペア:

[(1, 28161640101), (3, 9387213367), (7, 4023091443), (21, 1341030481), (49, 574727349), (147, 191575783), (343, 82103907), (379, 74305119), (1029, 27367969), (1137, 24768373), (2653, 10615017), (7959, 3538339), (18571, 1516431), (55713, 505477), (72211, 389991), (129997, 216633)]