87210981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67763}}^1$

素因数の和:67793

約数の個数: 24

約数和(自身を含む): 147996576

約数和(自身を除く): 60785595

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 67763, 203289, 609867, 745393, 880919, 2236179, 2642757, 6708537, 7928271, 9690109, 29070327, 87210981]

約数ペア:

[(1, 87210981), (3, 29070327), (9, 9690109), (11, 7928271), (13, 6708537), (33, 2642757), (39, 2236179), (99, 880919), (117, 745393), (143, 609867), (429, 203289), (1287, 67763)]