645781629

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{19603}}^1$

素因数の和:19824

約数の個数: 16

約数和(自身を含む): 878259200

約数和(自身を除く): 232477571

約数列:

[1, 3, 79, 139, 237, 417, 10981, 19603, 32943, 58809, 1548637, 2724817, 4645911, 8174451, 215260543, 645781629]

約数ペア:

[(1, 645781629), (3, 215260543), (79, 8174451), (139, 4645911), (237, 2724817), (417, 1548637), (10981, 58809), (19603, 32943)]