2171223

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 3470688

約数和(自身を除く): 1299465

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 617, 1173, 1851, 3519, 5553, 10489, 14191, 31467, 42573, 94401, 127719, 241247, 723741, 2171223]

約数ペア:

[(1, 2171223), (3, 723741), (9, 241247), (17, 127719), (23, 94401), (51, 42573), (69, 31467), (153, 14191), (207, 10489), (391, 5553), (617, 3519), (1173, 1851)]