30890601

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15817}}^1$

素因数の和:15861

約数の個数: 24

約数和(自身を含む): 52642304

約数和(自身を除く): 21751703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 15817, 47451, 110719, 142353, 332157, 490327, 996471, 1470981, 3432289, 4412943, 10296867, 30890601]

約数ペア:

[(1, 30890601), (3, 10296867), (7, 4412943), (9, 3432289), (21, 1470981), (31, 996471), (63, 490327), (93, 332157), (217, 142353), (279, 110719), (651, 47451), (1953, 15817)]