171927987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43781}}^1$

素因数の和:43819

約数の個数: 32

約数和(自身を含む): 302621184

約数和(自身を除く): 130693197

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 43781, 131343, 306467, 481591, 744277, 919401, 1444773, 2232831, 3371137, 5209939, 8187047, 10113411, 15629817, 24561141, 57309329, 171927987]

約数ペア:

[(1, 171927987), (3, 57309329), (7, 24561141), (11, 15629817), (17, 10113411), (21, 8187047), (33, 5209939), (51, 3371137), (77, 2232831), (119, 1444773), (187, 919401), (231, 744277), (357, 481591), (561, 306467), (1309, 131343), (3927, 43781)]