51435531

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 89856000

約数和(自身を除く): 38420469

約数列:

[1, 3, 7, 9, 21, 29, 47, 63, 87, 141, 203, 261, 329, 423, 599, 609, 987, 1363, 1797, 1827, 2961, 4089, 4193, 5391, 9541, 12267, 12579, 17371, 28153, 28623, 37737, 52113, 84459, 85869, 121597, 156339, 197071, 253377, 364791, 591213, 816437, 1094373, 1773639, 2449311, 5715059, 7347933, 17145177, 51435531]

約数ペア:

[(1, 51435531), (3, 17145177), (7, 7347933), (9, 5715059), (21, 2449311), (29, 1773639), (47, 1094373), (63, 816437), (87, 591213), (141, 364791), (203, 253377), (261, 197071), (329, 156339), (423, 121597), (599, 85869), (609, 84459), (987, 52113), (1363, 37737), (1797, 28623), (1827, 28153), (2961, 17371), (4089, 12579), (4193, 12267), (5391, 9541)]