78265917

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1721}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 117481728

約数和(自身を除く): 39215811

約数列:

[1, 3, 9, 31, 93, 163, 279, 489, 1467, 1721, 5053, 5163, 15159, 15489, 45477, 53351, 160053, 280523, 480159, 841569, 2524707, 8696213, 26088639, 78265917]

約数ペア:

[(1, 78265917), (3, 26088639), (9, 8696213), (31, 2524707), (93, 841569), (163, 480159), (279, 280523), (489, 160053), (1467, 53351), (1721, 45477), (5053, 15489), (5163, 15159)]