28801443

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20297}}^1$

素因数の和:20354

約数の個数: 16

約数和(自身を含む): 42869376

約数和(自身を除く): 14067933

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20297, 60891, 223267, 669801, 872771, 2618313, 9600481, 28801443]

約数ペア:

[(1, 28801443), (3, 9600481), (11, 2618313), (33, 872771), (43, 669801), (129, 223267), (473, 60891), (1419, 20297)]