30131619

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 47409408

約数和(自身を除く): 17277789

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 2887, 3479, 8661, 10437, 20209, 60627, 141463, 204977, 424389, 614931, 1434839, 4304517, 10043873, 30131619]

約数ペア:

[(1, 30131619), (3, 10043873), (7, 4304517), (21, 1434839), (49, 614931), (71, 424389), (147, 204977), (213, 141463), (497, 60627), (1491, 20209), (2887, 10437), (3479, 8661)]