12787713

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{3359}}^1$

素因数の和:3418

約数の個数: 20

約数和(自身を含む): 19514880

約数和(自身を除く): 6727167

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3359, 3807, 10077, 30231, 90693, 157873, 272079, 473619, 1420857, 4262571, 12787713]

約数ペア:

[(1, 12787713), (3, 4262571), (9, 1420857), (27, 473619), (47, 272079), (81, 157873), (141, 90693), (423, 30231), (1269, 10077), (3359, 3807)]