28520031

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{683}}^1$

素因数の和:1166

約数の個数: 16

約数和(自身を含む): 39398400

約数和(自身を除く): 10878369

約数列:

[1, 3, 31, 93, 449, 683, 1347, 2049, 13919, 21173, 41757, 63519, 306667, 920001, 9506677, 28520031]

約数ペア:

[(1, 28520031), (3, 9506677), (31, 920001), (93, 306667), (449, 63519), (683, 41757), (1347, 21173), (2049, 13919)]