16890153

素因数分解:

$3^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1397

約数の個数: 24

約数和(自身を含む): 26511840

約数和(自身を除く): 9621687

約数列:

[1, 3, 7, 21, 49, 89, 147, 267, 623, 1291, 1869, 3873, 4361, 9037, 13083, 27111, 63259, 114899, 189777, 344697, 804293, 2412879, 5630051, 16890153]

約数ペア:

[(1, 16890153), (3, 5630051), (7, 2412879), (21, 804293), (49, 344697), (89, 189777), (147, 114899), (267, 63259), (623, 27111), (1291, 13083), (1869, 9037), (3873, 4361)]