266778021

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{5303}}^1$

素因数の和:5756

約数の個数: 16

約数和(自身を含む): 365339520

約数和(自身を除く): 98561499

約数列:

[1, 3, 41, 123, 409, 1227, 5303, 15909, 16769, 50307, 217423, 652269, 2168927, 6506781, 88926007, 266778021]

約数ペア:

[(1, 266778021), (3, 88926007), (41, 6506781), (123, 2168927), (409, 652269), (1227, 217423), (5303, 50307), (15909, 16769)]