1245555

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:411

約数の個数: 24

約数和(自身を含む): 2190240

約数和(自身を除く): 944685

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 311, 445, 801, 933, 1335, 1555, 2799, 4005, 4665, 13995, 27679, 83037, 138395, 249111, 415185, 1245555]

約数ペア:

[(1, 1245555), (3, 415185), (5, 249111), (9, 138395), (15, 83037), (45, 27679), (89, 13995), (267, 4665), (311, 4005), (445, 2799), (801, 1555), (933, 1335)]