30991909

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1548

約数の個数: 16

約数和(自身を含む): 35126784

約数和(自身を除く): 4134875

約数列:

[1, 13, 31, 53, 403, 689, 1451, 1643, 18863, 21359, 44981, 76903, 584753, 999739, 2383993, 30991909]

約数ペア:

[(1, 30991909), (13, 2383993), (31, 999739), (53, 584753), (403, 76903), (689, 44981), (1451, 21359), (1643, 18863)]