79981587

素因数分解:

$3^4\times 7^1\times {\mathrm{141061}}^1$

素因数の和:141080

約数の個数: 20

約数和(自身を含む): 136548016

約数和(自身を除く): 56566429

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 141061, 423183, 987427, 1269549, 2962281, 3808647, 8886843, 11425941, 26660529, 79981587]

約数ペア:

[(1, 79981587), (3, 26660529), (7, 11425941), (9, 8886843), (21, 3808647), (27, 2962281), (63, 1269549), (81, 987427), (189, 423183), (567, 141061)]