84270207

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1723}}^1$

素因数の和:1887

約数の個数: 32

約数和(自身を含む): 137037312

約数和(自身を除く): 52767105

約数列:

[1, 3, 7, 17, 21, 51, 119, 137, 357, 411, 959, 1723, 2329, 2877, 5169, 6987, 12061, 16303, 29291, 36183, 48909, 87873, 205037, 236051, 615111, 708153, 1652357, 4012867, 4957071, 12038601, 28090069, 84270207]

約数ペア:

[(1, 84270207), (3, 28090069), (7, 12038601), (17, 4957071), (21, 4012867), (51, 1652357), (119, 708153), (137, 615111), (357, 236051), (411, 205037), (959, 87873), (1723, 48909), (2329, 36183), (2877, 29291), (5169, 16303), (6987, 12061)]