12289959

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2887}}^1$

素因数の和:2947

約数の個数: 24

約数和(自身を含む): 19823232

約数和(自身を除く): 7533273

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 2887, 4257, 8661, 25983, 31757, 95271, 124141, 285813, 372423, 1117269, 1365551, 4096653, 12289959]

約数ペア:

[(1, 12289959), (3, 4096653), (9, 1365551), (11, 1117269), (33, 372423), (43, 285813), (99, 124141), (129, 95271), (387, 31757), (473, 25983), (1419, 8661), (2887, 4257)]