81512445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4289}}^1$

素因数の和:4485

約数の個数: 32

約数和(自身を含む): 149909760

約数和(自身を除く): 68397315

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 181, 543, 905, 1267, 2715, 3801, 4289, 6335, 12867, 19005, 21445, 30023, 64335, 90069, 150115, 450345, 776309, 2328927, 3881545, 5434163, 11644635, 16302489, 27170815, 81512445]

約数ペア:

[(1, 81512445), (3, 27170815), (5, 16302489), (7, 11644635), (15, 5434163), (21, 3881545), (35, 2328927), (105, 776309), (181, 450345), (543, 150115), (905, 90069), (1267, 64335), (2715, 30023), (3801, 21445), (4289, 19005), (6335, 12867)]