13998999

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 22256640

約数和(自身を除く): 8257641

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 229, 287, 497, 687, 861, 1491, 1603, 2911, 4809, 8733, 9389, 16259, 20377, 28167, 48777, 61131, 65723, 113813, 197169, 341439, 666619, 1999857, 4666333, 13998999]

約数ペア:

[(1, 13998999), (3, 4666333), (7, 1999857), (21, 666619), (41, 341439), (71, 197169), (123, 113813), (213, 65723), (229, 61131), (287, 48777), (497, 28167), (687, 20377), (861, 16259), (1491, 9389), (1603, 8733), (2911, 4809)]