16770887

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{647}}^1$

素因数の和:707

約数の個数: 18

約数和(自身を含む): 20425608

約数和(自身を除く): 3654721

約数列:

[1, 7, 23, 49, 161, 529, 647, 1127, 3703, 4529, 14881, 25921, 31703, 104167, 342263, 729169, 2395841, 16770887]

約数ペア:

[(1, 16770887), (7, 2395841), (23, 729169), (49, 342263), (161, 104167), (529, 31703), (647, 25921), (1127, 14881), (3703, 4529)]