77760207

素因数分解:

$3^2\times 7^2\times {\mathrm{176327}}^1$

素因数の和:176347

約数の個数: 18

約数和(自身を含む): 130659048

約数和(自身を除く): 52898841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 176327, 528981, 1234289, 1586943, 3702867, 8640023, 11108601, 25920069, 77760207]

約数ペア:

[(1, 77760207), (3, 25920069), (7, 11108601), (9, 8640023), (21, 3702867), (49, 1586943), (63, 1234289), (147, 528981), (441, 176327)]