28618509

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{1721}}^1$

素因数の和:1988

約数の個数: 16

約数和(自身を含む): 40005504

約数和(自身を除く): 11386995

約数列:

[1, 3, 23, 69, 241, 723, 1721, 5163, 5543, 16629, 39583, 118749, 414761, 1244283, 9539503, 28618509]

約数ペア:

[(1, 28618509), (3, 9539503), (23, 1244283), (69, 414761), (241, 118749), (723, 39583), (1721, 16629), (5163, 5543)]