2690295

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{97}}^1$

素因数の和:191

約数の個数: 24

約数和(自身を含む): 4452336

約数和(自身を除く): 1762041

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 485, 645, 1455, 1849, 4171, 5547, 9245, 12513, 20855, 27735, 62565, 179353, 538059, 896765, 2690295]

約数ペア:

[(1, 2690295), (3, 896765), (5, 538059), (15, 179353), (43, 62565), (97, 27735), (129, 20855), (215, 12513), (291, 9245), (485, 5547), (645, 4171), (1455, 1849)]