30312387

素因数分解:

$3^4\times 7^1\times {\mathrm{193}}^1\times {\mathrm{277}}^1$

素因数の和:489

約数の個数: 40

約数和(自身を含む): 52206176

約数和(自身を除く): 21893789

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 193, 277, 567, 579, 831, 1351, 1737, 1939, 2493, 4053, 5211, 5817, 7479, 12159, 15633, 17451, 22437, 36477, 52353, 53461, 109431, 157059, 160383, 374227, 481149, 1122681, 1443447, 3368043, 4330341, 10104129, 30312387]

約数ペア:

[(1, 30312387), (3, 10104129), (7, 4330341), (9, 3368043), (21, 1443447), (27, 1122681), (63, 481149), (81, 374227), (189, 160383), (193, 157059), (277, 109431), (567, 53461), (579, 52353), (831, 36477), (1351, 22437), (1737, 17451), (1939, 15633), (2493, 12159), (4053, 7479), (5211, 5817)]