77319207

素因数分解:

$3^2\times 7^2\times {\mathrm{175327}}^1$

素因数の和:175347

約数の個数: 18

約数和(自身を含む): 129918048

約数和(自身を除く): 52598841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 175327, 525981, 1227289, 1577943, 3681867, 8591023, 11045601, 25773069, 77319207]

約数ペア:

[(1, 77319207), (3, 25773069), (7, 11045601), (9, 8591023), (21, 3681867), (49, 1577943), (63, 1227289), (147, 525981), (441, 175327)]