218368545

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{128831}}^1$

素因数の和:128952

約数の個数: 16

約数和(自身を含む): 352484352

約数和(自身を除く): 134115807

約数列:

[1, 3, 5, 15, 113, 339, 565, 1695, 128831, 386493, 644155, 1932465, 14557903, 43673709, 72789515, 218368545]

約数ペア:

[(1, 218368545), (3, 72789515), (5, 43673709), (15, 14557903), (113, 1932465), (339, 644155), (565, 386493), (1695, 128831)]