90271017

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{4663}}^1$

素因数の和:4914

約数の個数: 20

約数和(自身を含む): 135442560

約数和(自身を除く): 45171543

約数列:

[1, 3, 9, 27, 81, 239, 717, 2151, 4663, 6453, 13989, 19359, 41967, 125901, 377703, 1114457, 3343371, 10030113, 30090339, 90271017]

約数ペア:

[(1, 90271017), (3, 30090339), (9, 10030113), (27, 3343371), (81, 1114457), (239, 377703), (717, 125901), (2151, 41967), (4663, 19359), (6453, 13989)]