287321235

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{1201}}^1$

素因数の和:1639

約数の個数: 32

約数和(自身を含む): 472530240

約数和(自身を除く): 185209005

約数列:

[1, 3, 5, 15, 41, 123, 205, 389, 615, 1167, 1201, 1945, 3603, 5835, 6005, 15949, 18015, 47847, 49241, 79745, 147723, 239235, 246205, 467189, 738615, 1401567, 2335945, 7007835, 19154749, 57464247, 95773745, 287321235]

約数ペア:

[(1, 287321235), (3, 95773745), (5, 57464247), (15, 19154749), (41, 7007835), (123, 2335945), (205, 1401567), (389, 738615), (615, 467189), (1167, 246205), (1201, 239235), (1945, 147723), (3603, 79745), (5835, 49241), (6005, 47847), (15949, 18015)]