399773445

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{8123}}^1$

素因数の和:8341

約数の個数: 32

約数和(自身を含む): 680856192

約数和(自身を除く): 281082747

約数列:

[1, 3, 5, 15, 17, 51, 85, 193, 255, 579, 965, 2895, 3281, 8123, 9843, 16405, 24369, 40615, 49215, 121845, 138091, 414273, 690455, 1567739, 2071365, 4703217, 7838695, 23516085, 26651563, 79954689, 133257815, 399773445]

約数ペア:

[(1, 399773445), (3, 133257815), (5, 79954689), (15, 26651563), (17, 23516085), (51, 7838695), (85, 4703217), (193, 2071365), (255, 1567739), (579, 690455), (965, 414273), (2895, 138091), (3281, 121845), (8123, 49215), (9843, 40615), (16405, 24369)]