688889313

素因数分解:

$3^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{13859}}^1$

素因数の和:14138

約数の個数: 32

約数和(自身を含む): 1170892800

約数和(自身を除く): 482003487

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 263, 789, 1841, 2367, 5523, 7101, 13859, 16569, 41577, 49707, 97013, 124731, 291039, 374193, 873117, 2619351, 3644917, 10934751, 25514419, 32804253, 76543257, 98412759, 229629771, 688889313]

約数ペア:

[(1, 688889313), (3, 229629771), (7, 98412759), (9, 76543257), (21, 32804253), (27, 25514419), (63, 10934751), (189, 3644917), (263, 2619351), (789, 873117), (1841, 374193), (2367, 291039), (5523, 124731), (7101, 97013), (13859, 49707), (16569, 41577)]