87660909

素因数分解:

$3^2\times 7^1\times {\mathrm{971}}^1\times {\mathrm{1433}}^1$

素因数の和:2417

約数の個数: 24

約数和(自身を含む): 144960192

約数和(自身を除く): 57299283

約数列:

[1, 3, 7, 9, 21, 63, 971, 1433, 2913, 4299, 6797, 8739, 10031, 12897, 20391, 30093, 61173, 90279, 1391443, 4174329, 9740101, 12522987, 29220303, 87660909]

約数ペア:

[(1, 87660909), (3, 29220303), (7, 12522987), (9, 9740101), (21, 4174329), (63, 1391443), (971, 90279), (1433, 61173), (2913, 30093), (4299, 20391), (6797, 12897), (8739, 10031)]