31111974

素因数分解:

$2^1\times 3^2\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 69162912

約数和(自身を除く): 38050938

約数列:

[1, 2, 3, 6, 9, 18, 97, 103, 173, 194, 206, 291, 309, 346, 519, 582, 618, 873, 927, 1038, 1557, 1746, 1854, 3114, 9991, 16781, 17819, 19982, 29973, 33562, 35638, 50343, 53457, 59946, 89919, 100686, 106914, 151029, 160371, 179838, 302058, 320742, 1728443, 3456886, 5185329, 10370658, 15555987, 31111974]

約数ペア:

[(1, 31111974), (2, 15555987), (3, 10370658), (6, 5185329), (9, 3456886), (18, 1728443), (97, 320742), (103, 302058), (173, 179838), (194, 160371), (206, 151029), (291, 106914), (309, 100686), (346, 89919), (519, 59946), (582, 53457), (618, 50343), (873, 35638), (927, 33562), (1038, 29973), (1557, 19982), (1746, 17819), (1854, 16781), (3114, 9991)]