72971565

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{286163}}^1$

素因数の和:286188

約数の個数: 16

約数和(自身を含む): 123622848

約数和(自身を除く): 50651283

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 286163, 858489, 1430815, 4292445, 4864771, 14594313, 24323855, 72971565]

約数ペア:

[(1, 72971565), (3, 24323855), (5, 14594313), (15, 4864771), (17, 4292445), (51, 1430815), (85, 858489), (255, 286163)]