128425581

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:383

約数の個数: 40

約数和(自身を含む): 197169984

約数和(自身を除く): 68744403

約数列:

[1, 3, 9, 27, 71, 81, 137, 163, 213, 411, 489, 639, 1233, 1467, 1917, 3699, 4401, 5751, 9727, 11097, 11573, 13203, 22331, 29181, 34719, 66993, 87543, 104157, 200979, 262629, 312471, 602937, 787887, 937413, 1585501, 1808811, 4756503, 14269509, 42808527, 128425581]

約数ペア:

[(1, 128425581), (3, 42808527), (9, 14269509), (27, 4756503), (71, 1808811), (81, 1585501), (137, 937413), (163, 787887), (213, 602937), (411, 312471), (489, 262629), (639, 200979), (1233, 104157), (1467, 87543), (1917, 66993), (3699, 34719), (4401, 29181), (5751, 22331), (9727, 13203), (11097, 11573)]