71805399

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 104924160

約数和(自身を除く): 33118761

約数列:

[1, 3, 17, 43, 51, 129, 137, 239, 411, 717, 731, 2193, 2329, 4063, 5891, 6987, 10277, 12189, 17673, 30831, 32743, 98229, 100147, 174709, 300441, 524127, 556631, 1407949, 1669893, 4223847, 23935133, 71805399]

約数ペア:

[(1, 71805399), (3, 23935133), (17, 4223847), (43, 1669893), (51, 1407949), (129, 556631), (137, 524127), (239, 300441), (411, 174709), (717, 100147), (731, 98229), (2193, 32743), (2329, 30831), (4063, 17673), (5891, 12189), (6987, 10277)]