393372495

素因数分解:

$3^2\times 5^1\times {\mathrm{991}}^1\times {\mathrm{8821}}^1$

素因数の和:9823

約数の個数: 24

約数和(自身を含む): 682611072

約数和(自身を除く): 289238577

約数列:

[1, 3, 5, 9, 15, 45, 991, 2973, 4955, 8821, 8919, 14865, 26463, 44105, 44595, 79389, 132315, 396945, 8741611, 26224833, 43708055, 78674499, 131124165, 393372495]

約数ペア:

[(1, 393372495), (3, 131124165), (5, 78674499), (9, 43708055), (15, 26224833), (45, 8741611), (991, 396945), (2973, 132315), (4955, 79389), (8821, 44595), (8919, 44105), (14865, 26463)]