13811895

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9943

約数の個数: 24

約数和(自身を含む): 24715392

約数和(自身を除く): 10903497

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 9901, 29703, 49505, 89109, 148515, 306931, 445545, 920793, 1534655, 2762379, 4603965, 13811895]

約数ペア:

[(1, 13811895), (3, 4603965), (5, 2762379), (9, 1534655), (15, 920793), (31, 445545), (45, 306931), (93, 148515), (155, 89109), (279, 49505), (465, 29703), (1395, 9901)]