165173823

素因数分解:

$3^4\times {\mathrm{1427}}^1\times {\mathrm{1429}}^1$

素因数の和:2868

約数の個数: 20

約数和(自身を含む): 247086840

約数和(自身を除く): 81913017

約数列:

[1, 3, 9, 27, 81, 1427, 1429, 4281, 4287, 12843, 12861, 38529, 38583, 115587, 115749, 2039183, 6117549, 18352647, 55057941, 165173823]

約数ペア:

[(1, 165173823), (3, 55057941), (9, 18352647), (27, 6117549), (81, 2039183), (1427, 115749), (1429, 115587), (4281, 38583), (4287, 38529), (12843, 12861)]