268212009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1019}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 409207680

約数和(自身を除く): 140995671

約数列:

[1, 3, 13, 17, 39, 51, 221, 397, 663, 1019, 1191, 3057, 5161, 6749, 13247, 15483, 17323, 20247, 39741, 51969, 87737, 225199, 263211, 404543, 675597, 1213629, 5259059, 6877231, 15777177, 20631693, 89404003, 268212009]

約数ペア:

[(1, 268212009), (3, 89404003), (13, 20631693), (17, 15777177), (39, 6877231), (51, 5259059), (221, 1213629), (397, 675597), (663, 404543), (1019, 263211), (1191, 225199), (3057, 87737), (5161, 51969), (6749, 39741), (13247, 20247), (15483, 17323)]