81559251

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1297}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 128969280

約数和(自身を除く): 47410029

約数列:

[1, 3, 9, 17, 27, 51, 137, 153, 411, 459, 1233, 1297, 2329, 3699, 3891, 6987, 11673, 20961, 22049, 35019, 62883, 66147, 177689, 198441, 533067, 595323, 1599201, 3020713, 4797603, 9062139, 27186417, 81559251]

約数ペア:

[(1, 81559251), (3, 27186417), (9, 9062139), (17, 4797603), (27, 3020713), (51, 1599201), (137, 595323), (153, 533067), (411, 198441), (459, 177689), (1233, 66147), (1297, 62883), (2329, 35019), (3699, 22049), (3891, 20961), (6987, 11673)]