15217215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1069}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 26604480

約数和(自身を除く): 11387265

約数列:

[1, 3, 5, 13, 15, 39, 65, 73, 195, 219, 365, 949, 1069, 1095, 2847, 3207, 4745, 5345, 13897, 14235, 16035, 41691, 69485, 78037, 208455, 234111, 390185, 1014481, 1170555, 3043443, 5072405, 15217215]

約数ペア:

[(1, 15217215), (3, 5072405), (5, 3043443), (13, 1170555), (15, 1014481), (39, 390185), (65, 234111), (73, 208455), (195, 78037), (219, 69485), (365, 41691), (949, 16035), (1069, 14235), (1095, 13897), (2847, 5345), (3207, 4745)]