672129

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 1078272

約数和(自身を除く): 406143

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 191, 207, 391, 573, 1173, 1719, 3247, 3519, 4393, 9741, 13179, 29223, 39537, 74681, 224043, 672129]

約数ペア:

[(1, 672129), (3, 224043), (9, 74681), (17, 39537), (23, 29223), (51, 13179), (69, 9741), (153, 4393), (191, 3519), (207, 3247), (391, 1719), (573, 1173)]