81223668

素因数分解:

$2^2\times 3^3\times {\mathrm{131}}^1\times {\mathrm{5741}}^1$

素因数の和:5885

約数の個数: 48

約数和(自身を含む): 212224320

約数和(自身を除く): 131000652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 131, 262, 393, 524, 786, 1179, 1572, 2358, 3537, 4716, 5741, 7074, 11482, 14148, 17223, 22964, 34446, 51669, 68892, 103338, 155007, 206676, 310014, 620028, 752071, 1504142, 2256213, 3008284, 4512426, 6768639, 9024852, 13537278, 20305917, 27074556, 40611834, 81223668]

約数ペア:

[(1, 81223668), (2, 40611834), (3, 27074556), (4, 20305917), (6, 13537278), (9, 9024852), (12, 6768639), (18, 4512426), (27, 3008284), (36, 2256213), (54, 1504142), (108, 752071), (131, 620028), (262, 310014), (393, 206676), (524, 155007), (786, 103338), (1179, 68892), (1572, 51669), (2358, 34446), (3537, 22964), (4716, 17223), (5741, 14148), (7074, 11482)]