81254733

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{17351}}^1$

素因数の和:17584

約数の個数: 16

約数和(自身を含む): 124379136

約数和(自身を除く): 43124403

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 17351, 52053, 121457, 364371, 3869273, 11607819, 27084911, 81254733]

約数ペア:

[(1, 81254733), (3, 27084911), (7, 11607819), (21, 3869273), (223, 364371), (669, 121457), (1561, 52053), (4683, 17351)]