30690387

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12491}}^1$

素因数の和:12520

約数の個数: 32

約数和(自身を含む): 55964160

約数和(自身を除く): 25273773

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 12491, 37473, 87437, 112419, 162383, 262311, 337257, 487149, 786933, 1136681, 1461447, 2360799, 3410043, 4384341, 10230129, 30690387]

約数ペア:

[(1, 30690387), (3, 10230129), (7, 4384341), (9, 3410043), (13, 2360799), (21, 1461447), (27, 1136681), (39, 786933), (63, 487149), (91, 337257), (117, 262311), (189, 162383), (273, 112419), (351, 87437), (819, 37473), (2457, 12491)]