128977227

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{2467}}^1$

素因数の和:2667

約数の個数: 24

約数和(自身を含む): 192632336

約数和(自身を除く): 63655109

約数列:

[1, 3, 9, 37, 111, 157, 333, 471, 1413, 2467, 5809, 7401, 17427, 22203, 52281, 91279, 273837, 387319, 821511, 1161957, 3485871, 14330803, 42992409, 128977227]

約数ペア:

[(1, 128977227), (3, 42992409), (9, 14330803), (37, 3485871), (111, 1161957), (157, 821511), (333, 387319), (471, 273837), (1413, 91279), (2467, 52281), (5809, 22203), (7401, 17427)]