28553913

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 42120000

約数和(自身を除く): 13566087

約数列:

[1, 3, 9, 107, 149, 199, 321, 447, 597, 963, 1341, 1791, 15943, 21293, 29651, 47829, 63879, 88953, 143487, 191637, 266859, 3172657, 9517971, 28553913]

約数ペア:

[(1, 28553913), (3, 9517971), (9, 3172657), (107, 266859), (149, 191637), (199, 143487), (321, 88953), (447, 63879), (597, 47829), (963, 29651), (1341, 21293), (1791, 15943)]