28966821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:833

約数の個数: 32

約数和(自身を含む): 44470272

約数和(自身を除く): 15503451

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 299, 559, 751, 897, 989, 1677, 2253, 2967, 9763, 12857, 17273, 29289, 32293, 38571, 51819, 96879, 224549, 419809, 673647, 742739, 1259427, 2228217, 9655607, 28966821]

約数ペア:

[(1, 28966821), (3, 9655607), (13, 2228217), (23, 1259427), (39, 742739), (43, 673647), (69, 419809), (129, 224549), (299, 96879), (559, 51819), (751, 38571), (897, 32293), (989, 29289), (1677, 17273), (2253, 12857), (2967, 9763)]