12938553

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 19585800

約数和(自身を除く): 6647247

約数列:

[1, 3, 9, 29, 87, 89, 261, 267, 557, 801, 1671, 2581, 5013, 7743, 16153, 23229, 48459, 49573, 145377, 148719, 446157, 1437617, 4312851, 12938553]

約数ペア:

[(1, 12938553), (3, 4312851), (9, 1437617), (29, 446157), (87, 148719), (89, 145377), (261, 49573), (267, 48459), (557, 23229), (801, 16153), (1671, 7743), (2581, 5013)]