857336481

素因数分解:

$3^4\times {\mathrm{1787}}^1\times {\mathrm{5923}}^1$

素因数の和:7722

約数の個数: 20

約数和(自身を含む): 1281645552

約数和(自身を除く): 424309071

約数列:

[1, 3, 9, 27, 81, 1787, 5361, 5923, 16083, 17769, 48249, 53307, 144747, 159921, 479763, 10584401, 31753203, 95259609, 285778827, 857336481]

約数ペア:

[(1, 857336481), (3, 285778827), (9, 95259609), (27, 31753203), (81, 10584401), (1787, 479763), (5361, 159921), (5923, 144747), (16083, 53307), (17769, 48249)]