201216987

素因数分解:

$3^3\times {\mathrm{359}}^1\times {\mathrm{20759}}^1$

素因数の和:21127

約数の個数: 16

約数和(自身を含む): 298944000

約数和(自身を除く): 97727013

約数列:

[1, 3, 9, 27, 359, 1077, 3231, 9693, 20759, 62277, 186831, 560493, 7452481, 22357443, 67072329, 201216987]

約数ペア:

[(1, 201216987), (3, 67072329), (9, 22357443), (27, 7452481), (359, 560493), (1077, 186831), (3231, 62277), (9693, 20759)]