30705885

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{10831}}^1$

素因数の和:10855

約数の個数: 40

約数和(自身を含む): 62912256

約数和(自身を除く): 32206371

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 10831, 32493, 54155, 75817, 97479, 162465, 227451, 292437, 379085, 487395, 682353, 877311, 1137255, 1462185, 2047059, 3411765, 4386555, 6141177, 10235295, 30705885]

約数ペア:

[(1, 30705885), (3, 10235295), (5, 6141177), (7, 4386555), (9, 3411765), (15, 2047059), (21, 1462185), (27, 1137255), (35, 877311), (45, 682353), (63, 487395), (81, 379085), (105, 292437), (135, 227451), (189, 162465), (315, 97479), (405, 75817), (567, 54155), (945, 32493), (2835, 10831)]