28116969

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 40550400

約数和(自身を除く): 12433431

約数列:

[1, 3, 31, 43, 79, 89, 93, 129, 237, 267, 1333, 2449, 2759, 3397, 3827, 3999, 7031, 7347, 8277, 10191, 11481, 21093, 105307, 118637, 217961, 302333, 315921, 355911, 653883, 906999, 9372323, 28116969]

約数ペア:

[(1, 28116969), (3, 9372323), (31, 906999), (43, 653883), (79, 355911), (89, 315921), (93, 302333), (129, 217961), (237, 118637), (267, 105307), (1333, 21093), (2449, 11481), (2759, 10191), (3397, 8277), (3827, 7347), (3999, 7031)]