280102005

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{78791}}^1$

素因数の和:78881

約数の個数: 24

約数和(自身を含む): 491662080

約数和(自身を除く): 211560075

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 78791, 236373, 393955, 709119, 1181865, 3545595, 6224489, 18673467, 31122445, 56020401, 93367335, 280102005]

約数ペア:

[(1, 280102005), (3, 93367335), (5, 56020401), (9, 31122445), (15, 18673467), (45, 6224489), (79, 3545595), (237, 1181865), (395, 709119), (711, 393955), (1185, 236373), (3555, 78791)]