16857855

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17839}}^1$

素因数の和:17860

約数の個数: 32

約数和(自身を含む): 34252800

約数和(自身を除く): 17394945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 17839, 53517, 89195, 124873, 160551, 267585, 374619, 481653, 624365, 802755, 1123857, 1873095, 2408265, 3371571, 5619285, 16857855]

約数ペア:

[(1, 16857855), (3, 5619285), (5, 3371571), (7, 2408265), (9, 1873095), (15, 1123857), (21, 802755), (27, 624365), (35, 481653), (45, 374619), (63, 267585), (105, 160551), (135, 124873), (189, 89195), (315, 53517), (945, 17839)]