71726145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281279}}^1$

素因数の和:281304

約数の個数: 16

約数和(自身を含む): 121512960

約数和(自身を除く): 49786815

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 281279, 843837, 1406395, 4219185, 4781743, 14345229, 23908715, 71726145]

約数ペア:

[(1, 71726145), (3, 23908715), (5, 14345229), (15, 4781743), (17, 4219185), (51, 1406395), (85, 843837), (255, 281279)]