81499785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{319607}}^1$

素因数の和:319632

約数の個数: 16

約数和(自身を含む): 138070656

約数和(自身を除く): 56570871

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 319607, 958821, 1598035, 4794105, 5433319, 16299957, 27166595, 81499785]

約数ペア:

[(1, 81499785), (3, 27166595), (5, 16299957), (15, 5433319), (17, 4794105), (51, 1598035), (85, 958821), (255, 319607)]