400990014

素因数分解:

$2^1\times 3^4\times {\mathrm{2475247}}^1$

素因数の和:2475261

約数の個数: 20

約数和(自身を含む): 898515024

約数和(自身を除く): 497525010

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 2475247, 4950494, 7425741, 14851482, 22277223, 44554446, 66831669, 133663338, 200495007, 400990014]

約数ペア:

[(1, 400990014), (2, 200495007), (3, 133663338), (6, 66831669), (9, 44554446), (18, 22277223), (27, 14851482), (54, 7425741), (81, 4950494), (162, 2475247)]