22720383

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{8387}}^1$

素因数の和:8443

約数の個数: 24

約数和(自身を含む): 38383488

約数和(自身を除く): 15663105

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 8387, 25161, 58709, 75483, 176127, 360641, 528381, 1081923, 2524487, 3245769, 7573461, 22720383]

約数ペア:

[(1, 22720383), (3, 7573461), (7, 3245769), (9, 2524487), (21, 1081923), (43, 528381), (63, 360641), (129, 176127), (301, 75483), (387, 58709), (903, 25161), (2709, 8387)]