205422831

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{193}}^1\times {\mathrm{499}}^1$

素因数の和:780

約数の個数: 32

約数和(自身を含む): 310400000

約数和(自身を除く): 104977169

約数列:

[1, 3, 9, 27, 79, 193, 237, 499, 579, 711, 1497, 1737, 2133, 4491, 5211, 13473, 15247, 39421, 45741, 96307, 118263, 137223, 288921, 354789, 411669, 866763, 1064367, 2600289, 7608253, 22824759, 68474277, 205422831]

約数ペア:

[(1, 205422831), (3, 68474277), (9, 22824759), (27, 7608253), (79, 2600289), (193, 1064367), (237, 866763), (499, 411669), (579, 354789), (711, 288921), (1497, 137223), (1737, 118263), (2133, 96307), (4491, 45741), (5211, 39421), (13473, 15247)]