2220387

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 3404016

約数和(自身を除く): 1183629

約数列:

[1, 3, 13, 17, 39, 51, 197, 221, 289, 591, 663, 867, 2561, 3349, 3757, 7683, 10047, 11271, 43537, 56933, 130611, 170799, 740129, 2220387]

約数ペア:

[(1, 2220387), (3, 740129), (13, 170799), (17, 130611), (39, 56933), (51, 43537), (197, 11271), (221, 10047), (289, 7683), (591, 3757), (663, 3349), (867, 2561)]