281448351

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{21317}}^1$

素因数の和:21492

約数の個数: 20

約数和(自身を含む): 423034392

約数和(自身を除く): 141586041

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 13203, 21317, 63951, 191853, 575559, 1726677, 3474671, 10424013, 31272039, 93816117, 281448351]

約数ペア:

[(1, 281448351), (3, 93816117), (9, 31272039), (27, 10424013), (81, 3474671), (163, 1726677), (489, 575559), (1467, 191853), (4401, 63951), (13203, 21317)]