7990389

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1937

約数の個数: 24

約数和(自身を含む): 12890592

約数和(自身を除く): 4900203

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 1877, 4257, 5631, 16893, 20647, 61941, 80711, 185823, 242133, 726399, 887821, 2663463, 7990389]

約数ペア:

[(1, 7990389), (3, 2663463), (9, 887821), (11, 726399), (33, 242133), (43, 185823), (99, 80711), (129, 61941), (387, 20647), (473, 16893), (1419, 5631), (1877, 4257)]