205362909

素因数分解:

$3^2\times {\mathrm{139}}^2\times {\mathrm{1181}}^1$

素因数の和:1465

約数の個数: 18

約数和(自身を含む): 299037726

約数和(自身を除く): 93674817

約数列:

[1, 3, 9, 139, 417, 1181, 1251, 3543, 10629, 19321, 57963, 164159, 173889, 492477, 1477431, 22818101, 68454303, 205362909]

約数ペア:

[(1, 205362909), (3, 68454303), (9, 22818101), (139, 1477431), (417, 492477), (1181, 173889), (1251, 164159), (3543, 57963), (10629, 19321)]