12320145

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6367}}^1$

素因数の和:6421

約数の個数: 24

約数和(自身を含む): 21854976

約数和(自身を除く): 9534831

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6367, 19101, 31835, 57303, 95505, 273781, 286515, 821343, 1368905, 2464029, 4106715, 12320145]

約数ペア:

[(1, 12320145), (3, 4106715), (5, 2464029), (9, 1368905), (15, 821343), (43, 286515), (45, 273781), (129, 95505), (215, 57303), (387, 31835), (645, 19101), (1935, 6367)]