28871361

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1223}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 43407936

約数和(自身を除く): 14536575

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 1223, 2623, 3669, 7869, 11007, 23607, 52589, 74603, 157767, 223809, 473301, 671427, 3207929, 9623787, 28871361]

約数ペア:

[(1, 28871361), (3, 9623787), (9, 3207929), (43, 671427), (61, 473301), (129, 223809), (183, 157767), (387, 74603), (549, 52589), (1223, 23607), (2623, 11007), (3669, 7869)]