207920691

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{72421}}^1$

素因数の和:72467

約数の個数: 24

約数和(自身を含む): 338934960

約数和(自身を除く): 131014269

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 72421, 217263, 651789, 796631, 2100209, 2389893, 6300627, 7169679, 18901881, 23102299, 69306897, 207920691]

約数ペア:

[(1, 207920691), (3, 69306897), (9, 23102299), (11, 18901881), (29, 7169679), (33, 6300627), (87, 2389893), (99, 2100209), (261, 796631), (319, 651789), (957, 217263), (2871, 72421)]