1621876705

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{431}}^1$

素因数の和:789

約数の個数: 32

約数和(自身を含む): 2030469120

約数和(自身を除く): 408592415

約数列:

[1, 5, 47, 67, 235, 239, 335, 431, 1195, 2155, 3149, 11233, 15745, 16013, 20257, 28877, 56165, 80065, 101285, 103009, 144385, 515045, 752611, 1357219, 3763055, 4841423, 6786095, 6901603, 24207115, 34508015, 324375341, 1621876705]

約数ペア:

[(1, 1621876705), (5, 324375341), (47, 34508015), (67, 24207115), (235, 6901603), (239, 6786095), (335, 4841423), (431, 3763055), (1195, 1357219), (2155, 752611), (3149, 515045), (11233, 144385), (15745, 103009), (16013, 101285), (20257, 80065), (28877, 56165)]