208895253

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{1093}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 336076800

約数和(自身を除く): 127181547

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 479, 1093, 1437, 3279, 3353, 7651, 9101, 10059, 20767, 22953, 27303, 62301, 63707, 145369, 191121, 436107, 523547, 1570641, 3664829, 9947393, 10994487, 29842179, 69631751, 208895253]

約数ペア:

[(1, 208895253), (3, 69631751), (7, 29842179), (19, 10994487), (21, 9947393), (57, 3664829), (133, 1570641), (399, 523547), (479, 436107), (1093, 191121), (1437, 145369), (3279, 63707), (3353, 62301), (7651, 27303), (9101, 22953), (10059, 20767)]