218421255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1120109}}^1$

素因数の和:1120130

約数の個数: 16

約数和(自身を含む): 376356960

約数和(自身を除く): 157935705

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1120109, 3360327, 5600545, 14561417, 16801635, 43684251, 72807085, 218421255]

約数ペア:

[(1, 218421255), (3, 72807085), (5, 43684251), (13, 16801635), (15, 14561417), (39, 5600545), (65, 3360327), (195, 1120109)]