72911097

素因数分解:

$3^4\times 7^1\times {\mathrm{128591}}^1$

素因数の和:128610

約数の個数: 20

約数和(自身を含む): 124477056

約数和(自身を除く): 51565959

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 128591, 385773, 900137, 1157319, 2700411, 3471957, 8101233, 10415871, 24303699, 72911097]

約数ペア:

[(1, 72911097), (3, 24303699), (7, 10415871), (9, 8101233), (21, 3471957), (27, 2700411), (63, 1157319), (81, 900137), (189, 385773), (567, 128591)]