399451005

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{385943}}^1$

素因数の和:385977

約数の個数: 24

約数和(自身を含む): 722487168

約数和(自身を除く): 323036163

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 385943, 1157829, 1929715, 3473487, 5789145, 8876689, 17367435, 26630067, 44383445, 79890201, 133150335, 399451005]

約数ペア:

[(1, 399451005), (3, 133150335), (5, 79890201), (9, 44383445), (15, 26630067), (23, 17367435), (45, 8876689), (69, 5789145), (115, 3473487), (207, 1929715), (345, 1157829), (1035, 385943)]