1279583973

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{115309}}^1$

素因数の和:115458

約数の個数: 20

約数和(自身を含む): 1925446380

約数和(自身を除く): 645862407

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 115309, 345927, 1037781, 3113343, 9340029, 15797333, 47391999, 142175997, 426527991, 1279583973]

約数ペア:

[(1, 1279583973), (3, 426527991), (9, 142175997), (27, 47391999), (81, 15797333), (137, 9340029), (411, 3113343), (1233, 1037781), (3699, 345927), (11097, 115309)]