247137471

素因数分解:

$3^2\times 7^1\times {\mathrm{1447}}^1\times {\mathrm{2711}}^1$

素因数の和:4171

約数の個数: 24

約数和(自身を含む): 408405504

約数和(自身を除く): 161268033

約数列:

[1, 3, 7, 9, 21, 63, 1447, 2711, 4341, 8133, 10129, 13023, 18977, 24399, 30387, 56931, 91161, 170793, 3922817, 11768451, 27459719, 35305353, 82379157, 247137471]

約数ペア:

[(1, 247137471), (3, 82379157), (7, 35305353), (9, 27459719), (21, 11768451), (63, 3922817), (1447, 170793), (2711, 91161), (4341, 56931), (8133, 30387), (10129, 24399), (13023, 18977)]