80781603

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5519}}^1$

素因数の和:5587

約数の個数: 32

約数和(自身を含む): 133539840

約数和(自身を除く): 52758237

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 4879, 5519, 14637, 16557, 38633, 93823, 115899, 226279, 281469, 656761, 678837, 1583953, 1970283, 3846743, 4751859, 11540229, 26927201, 80781603]

約数ペア:

[(1, 80781603), (3, 26927201), (7, 11540229), (17, 4751859), (21, 3846743), (41, 1970283), (51, 1583953), (119, 678837), (123, 656761), (287, 281469), (357, 226279), (697, 115899), (861, 93823), (2091, 38633), (4879, 16557), (5519, 14637)]