136670289

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{209939}}^1$

素因数の和:209980

約数の個数: 16

約数和(自身を含む): 214978560

約数和(自身を除く): 78308271

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 209939, 629817, 1469573, 4408719, 6508109, 19524327, 45556763, 136670289]

約数ペア:

[(1, 136670289), (3, 45556763), (7, 19524327), (21, 6508109), (31, 4408719), (93, 1469573), (217, 629817), (651, 209939)]