2990307

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 4112640

約数和(自身を除く): 1122333

約数列:

[1, 3, 71, 101, 139, 213, 303, 417, 7171, 9869, 14039, 21513, 29607, 42117, 996769, 2990307]

約数ペア:

[(1, 2990307), (3, 996769), (71, 42117), (101, 29607), (139, 21513), (213, 14039), (303, 9869), (417, 7171)]