398816955

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{91367}}^1$

素因数の和:91475

約数の個数: 24

約数和(自身を含む): 698416992

約数和(自身を除く): 299600037

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 485, 873, 1455, 4365, 91367, 274101, 456835, 822303, 1370505, 4111515, 8862599, 26587797, 44312995, 79763391, 132938985, 398816955]

約数ペア:

[(1, 398816955), (3, 132938985), (5, 79763391), (9, 44312995), (15, 26587797), (45, 8862599), (97, 4111515), (291, 1370505), (485, 822303), (873, 456835), (1455, 274101), (4365, 91367)]