80018745

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1009}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 136131840

約数和(自身を除く): 56113095

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 311, 933, 1009, 1555, 3027, 4665, 5045, 5287, 15135, 15861, 17153, 26435, 51459, 79305, 85765, 257295, 313799, 941397, 1568995, 4706985, 5334583, 16003749, 26672915, 80018745]

約数ペア:

[(1, 80018745), (3, 26672915), (5, 16003749), (15, 5334583), (17, 4706985), (51, 1568995), (85, 941397), (255, 313799), (311, 257295), (933, 85765), (1009, 79305), (1555, 51459), (3027, 26435), (4665, 17153), (5045, 15861), (5287, 15135)]