9990407

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2269}}^1$

素因数の和:2330

約数の個数: 16

約数和(自身を含む): 12421440

約数和(自身を除く): 2431033

約数列:

[1, 7, 17, 37, 119, 259, 629, 2269, 4403, 15883, 38573, 83953, 270011, 587671, 1427201, 9990407]

約数ペア:

[(1, 9990407), (7, 1427201), (17, 587671), (37, 270011), (119, 83953), (259, 38573), (629, 15883), (2269, 4403)]