131294505

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^3\times {\mathrm{127}}^1$

素因数の和:258

約数の個数: 32

約数和(自身を含む): 217018368

約数和(自身を除く): 85723863

約数列:

[1, 3, 5, 15, 41, 123, 127, 205, 381, 615, 635, 1681, 1905, 5043, 5207, 8405, 15621, 25215, 26035, 68921, 78105, 206763, 213487, 344605, 640461, 1033815, 1067435, 3202305, 8752967, 26258901, 43764835, 131294505]

約数ペア:

[(1, 131294505), (3, 43764835), (5, 26258901), (15, 8752967), (41, 3202305), (123, 1067435), (127, 1033815), (205, 640461), (381, 344605), (615, 213487), (635, 206763), (1681, 78105), (1905, 68921), (5043, 26035), (5207, 25215), (8405, 15621)]