78821871

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^2\times {\mathrm{107}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 110744064

約数和(自身を除く): 31922193

約数列:

[1, 3, 31, 89, 93, 107, 267, 321, 2759, 3317, 7921, 8277, 9523, 9951, 23763, 28569, 245551, 295213, 736653, 847547, 885639, 2542641, 26273957, 78821871]

約数ペア:

[(1, 78821871), (3, 26273957), (31, 2542641), (89, 885639), (93, 847547), (107, 736653), (267, 295213), (321, 245551), (2759, 28569), (3317, 23763), (7921, 9951), (8277, 9523)]