81812535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2003}}^1$

素因数の和:2407

約数の個数: 32

約数和(自身を含む): 150059520

約数和(自身を除く): 68246985

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 389, 1167, 1945, 2003, 2723, 5835, 6009, 8169, 10015, 13615, 14021, 30045, 40845, 42063, 70105, 210315, 779167, 2337501, 3895835, 5454169, 11687505, 16362507, 27270845, 81812535]

約数ペア:

[(1, 81812535), (3, 27270845), (5, 16362507), (7, 11687505), (15, 5454169), (21, 3895835), (35, 2337501), (105, 779167), (389, 210315), (1167, 70105), (1945, 42063), (2003, 40845), (2723, 30045), (5835, 14021), (6009, 13615), (8169, 10015)]