81016419

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{617}}^1$

素因数の和:827

約数の個数: 32

約数和(自身を含む): 123876864

約数和(自身を除く): 42860445

約数列:

[1, 3, 11, 23, 33, 69, 173, 253, 519, 617, 759, 1851, 1903, 3979, 5709, 6787, 11937, 14191, 20361, 42573, 43769, 106741, 131307, 156101, 320223, 468303, 1174151, 2455043, 3522453, 7365129, 27005473, 81016419]

約数ペア:

[(1, 81016419), (3, 27005473), (11, 7365129), (23, 3522453), (33, 2455043), (69, 1174151), (173, 468303), (253, 320223), (519, 156101), (617, 131307), (759, 106741), (1851, 43769), (1903, 42573), (3979, 20361), (5709, 14191), (6787, 11937)]