68720655

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{123821}}^1$

素因数の和:123866

約数の個数: 16

約数和(自身を含む): 112925664

約数和(自身を除く): 44205009

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 123821, 371463, 619105, 1857315, 4581377, 13744131, 22906885, 68720655]

約数ペア:

[(1, 68720655), (3, 22906885), (5, 13744131), (15, 4581377), (37, 1857315), (111, 619105), (185, 371463), (555, 123821)]