81457578

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^2\times {\mathrm{5381}}^1$

素因数の和:5447

約数の個数: 36

約数和(自身を含む): 182821158

約数和(自身を除く): 101363580

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 522, 841, 1682, 2523, 5046, 5381, 7569, 10762, 15138, 16143, 32286, 48429, 96858, 156049, 312098, 468147, 936294, 1404441, 2808882, 4525421, 9050842, 13576263, 27152526, 40728789, 81457578]

約数ペア:

[(1, 81457578), (2, 40728789), (3, 27152526), (6, 13576263), (9, 9050842), (18, 4525421), (29, 2808882), (58, 1404441), (87, 936294), (174, 468147), (261, 312098), (522, 156049), (841, 96858), (1682, 48429), (2523, 32286), (5046, 16143), (5381, 15138), (7569, 10762)]