978039741

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1\times {\mathrm{2503}}^1$

素因数の和:3345

約数の個数: 32

約数和(自身を含む): 1557688320

約数和(自身を除く): 579648579

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 809, 2427, 2503, 5663, 7509, 16989, 17521, 18607, 52563, 55821, 57569, 130249, 172707, 390747, 402983, 1208949, 2024927, 6074781, 14174489, 42523467, 46573321, 139719963, 326013247, 978039741]

約数ペア:

[(1, 978039741), (3, 326013247), (7, 139719963), (21, 46573321), (23, 42523467), (69, 14174489), (161, 6074781), (483, 2024927), (809, 1208949), (2427, 402983), (2503, 390747), (5663, 172707), (7509, 130249), (16989, 57569), (17521, 55821), (18607, 52563)]