206505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 386568

約数和(自身を除く): 180063

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 353, 585, 1059, 1765, 3177, 4589, 5295, 13767, 15885, 22945, 41301, 68835, 206505]

約数ペア:

[(1, 206505), (3, 68835), (5, 41301), (9, 22945), (13, 15885), (15, 13767), (39, 5295), (45, 4589), (65, 3177), (117, 1765), (195, 1059), (353, 585)]