30906789

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 41885760

約数和(自身を除く): 10978971

約数列:

[1, 3, 137, 139, 411, 417, 541, 1623, 19043, 57129, 74117, 75199, 222351, 225597, 10302263, 30906789]

約数ペア:

[(1, 30906789), (3, 10302263), (137, 225597), (139, 222351), (411, 75199), (417, 74117), (541, 57129), (1623, 19043)]