7212855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{787}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 12708864

約数和(自身を除く): 5496009

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 787, 1833, 2361, 3055, 3935, 9165, 10231, 11805, 30693, 36989, 51155, 110967, 153465, 184945, 480857, 554835, 1442571, 2404285, 7212855]

約数ペア:

[(1, 7212855), (3, 2404285), (5, 1442571), (13, 554835), (15, 480857), (39, 184945), (47, 153465), (65, 110967), (141, 51155), (195, 36989), (235, 30693), (611, 11805), (705, 10231), (787, 9165), (1833, 3935), (2361, 3055)]