31440123

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 58060800

約数和(自身を除く): 26620677

約数列:

[1, 3, 9, 11, 13, 17, 27, 33, 39, 51, 99, 117, 143, 153, 187, 221, 297, 351, 429, 459, 479, 561, 663, 1287, 1437, 1683, 1989, 2431, 3861, 4311, 5049, 5269, 5967, 6227, 7293, 8143, 12933, 15807, 18681, 21879, 24429, 47421, 56043, 65637, 68497, 73287, 89573, 105859, 142263, 168129, 205491, 219861, 268719, 317577, 616473, 806157, 952731, 1164449, 1849419, 2418471, 2858193, 3493347, 10480041, 31440123]

約数ペア:

[(1, 31440123), (3, 10480041), (9, 3493347), (11, 2858193), (13, 2418471), (17, 1849419), (27, 1164449), (33, 952731), (39, 806157), (51, 616473), (99, 317577), (117, 268719), (143, 219861), (153, 205491), (187, 168129), (221, 142263), (297, 105859), (351, 89573), (429, 73287), (459, 68497), (479, 65637), (561, 56043), (663, 47421), (1287, 24429), (1437, 21879), (1683, 18681), (1989, 15807), (2431, 12933), (3861, 8143), (4311, 7293), (5049, 6227), (5269, 5967)]