28281921

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 39014400

約数和(自身を除く): 10732479

約数列:

[1, 3, 47, 79, 141, 237, 2539, 3713, 7617, 11139, 119333, 200581, 357999, 601743, 9427307, 28281921]

約数ペア:

[(1, 28281921), (3, 9427307), (47, 601743), (79, 357999), (141, 200581), (237, 119333), (2539, 11139), (3713, 7617)]