218702913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509797}}^1$

素因数の和:509824

約数の個数: 16

約数和(自身を含む): 342584256

約数和(自身を除く): 123881343

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 509797, 1529391, 5607767, 6627361, 16823301, 19882083, 72900971, 218702913]

約数ペア:

[(1, 218702913), (3, 72900971), (11, 19882083), (13, 16823301), (33, 6627361), (39, 5607767), (143, 1529391), (429, 509797)]