201605715

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{2423}}^1$

素因数の和:2520

約数の個数: 36

約数和(自身を含む): 357913296

約数和(自身を除く): 156307581

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1849, 1935, 2423, 5547, 7269, 9245, 12115, 16641, 21807, 27735, 36345, 83205, 104189, 109035, 312567, 520945, 937701, 1562835, 4480127, 4688505, 13440381, 22400635, 40321143, 67201905, 201605715]

約数ペア:

[(1, 201605715), (3, 67201905), (5, 40321143), (9, 22400635), (15, 13440381), (43, 4688505), (45, 4480127), (129, 1562835), (215, 937701), (387, 520945), (645, 312567), (1849, 109035), (1935, 104189), (2423, 83205), (5547, 36345), (7269, 27735), (9245, 21807), (12115, 16641)]