128666427

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{8461}}^1$

素因数の和:8638

約数の個数: 16

約数和(自身を含む): 177498912

約数和(自身を除く): 48832485

約数列:

[1, 3, 37, 111, 137, 411, 5069, 8461, 15207, 25383, 313057, 939171, 1159157, 3477471, 42888809, 128666427]

約数ペア:

[(1, 128666427), (3, 42888809), (37, 3477471), (111, 1159157), (137, 939171), (411, 313057), (5069, 25383), (8461, 15207)]