30818991

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6763}}^1$

素因数の和:6811

約数の個数: 24

約数和(自身を含む): 49350144

約数和(自身を除く): 18531153

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 6763, 20289, 47341, 142023, 209653, 331387, 628959, 994161, 1467571, 4402713, 10272997, 30818991]

約数ペア:

[(1, 30818991), (3, 10272997), (7, 4402713), (21, 1467571), (31, 994161), (49, 628959), (93, 331387), (147, 209653), (217, 142023), (651, 47341), (1519, 20289), (4557, 6763)]