71728185

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3389}}^1$

素因数の和:3497

約数の個数: 32

約数和(自身を含む): 123016320

約数和(自身を除く): 51288135

約数列:

[1, 3, 5, 15, 17, 51, 83, 85, 249, 255, 415, 1245, 1411, 3389, 4233, 7055, 10167, 16945, 21165, 50835, 57613, 172839, 281287, 288065, 843861, 864195, 1406435, 4219305, 4781879, 14345637, 23909395, 71728185]

約数ペア:

[(1, 71728185), (3, 23909395), (5, 14345637), (15, 4781879), (17, 4219305), (51, 1406435), (83, 864195), (85, 843861), (249, 288065), (255, 281287), (415, 172839), (1245, 57613), (1411, 50835), (3389, 21165), (4233, 16945), (7055, 10167)]