81274533

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{433}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 118742400

約数和(自身を除く): 37467867

約数列:

[1, 3, 19, 37, 57, 89, 111, 267, 433, 703, 1299, 1691, 2109, 3293, 5073, 8227, 9879, 16021, 24681, 38537, 48063, 62567, 115611, 187701, 304399, 732203, 913197, 1425869, 2196609, 4277607, 27091511, 81274533]

約数ペア:

[(1, 81274533), (3, 27091511), (19, 4277607), (37, 2196609), (57, 1425869), (89, 913197), (111, 732203), (267, 304399), (433, 187701), (703, 115611), (1299, 62567), (1691, 48063), (2109, 38537), (3293, 24681), (5073, 16021), (8227, 9879)]