828711

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{787}}^1$

素因数の和:812

約数の個数: 20

約数和(自身を含む): 1334872

約数和(自身を除く): 506161

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 787, 1053, 2361, 7083, 10231, 21249, 30693, 63747, 92079, 276237, 828711]

約数ペア:

[(1, 828711), (3, 276237), (9, 92079), (13, 63747), (27, 30693), (39, 21249), (81, 10231), (117, 7083), (351, 2361), (787, 1053)]