28308921

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7079}}^1$

素因数の和:7156

約数の個数: 16

約数和(自身を含む): 39874560

約数和(自身を除く): 11565639

約数列:

[1, 3, 31, 43, 93, 129, 1333, 3999, 7079, 21237, 219449, 304397, 658347, 913191, 9436307, 28308921]

約数ペア:

[(1, 28308921), (3, 9436307), (31, 913191), (43, 658347), (93, 304397), (129, 219449), (1333, 21237), (3999, 7079)]