18041505

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 30844800

約数和(自身を除く): 12803295

約数列:

[1, 3, 5, 15, 17, 51, 85, 139, 255, 417, 509, 695, 1527, 2085, 2363, 2545, 7089, 7635, 8653, 11815, 25959, 35445, 43265, 70751, 129795, 212253, 353755, 1061265, 1202767, 3608301, 6013835, 18041505]

約数ペア:

[(1, 18041505), (3, 6013835), (5, 3608301), (15, 1202767), (17, 1061265), (51, 353755), (85, 212253), (139, 129795), (255, 70751), (417, 43265), (509, 35445), (695, 25959), (1527, 11815), (2085, 8653), (2363, 7635), (2545, 7089)]