2181855

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 3838464

約数和(自身を除く): 1656609

約数列:

[1, 3, 5, 13, 15, 39, 65, 67, 167, 195, 201, 335, 501, 835, 871, 1005, 2171, 2505, 2613, 4355, 6513, 10855, 11189, 13065, 32565, 33567, 55945, 145457, 167835, 436371, 727285, 2181855]

約数ペア:

[(1, 2181855), (3, 727285), (5, 436371), (13, 167835), (15, 145457), (39, 55945), (65, 33567), (67, 32565), (167, 13065), (195, 11189), (201, 10855), (335, 6513), (501, 4355), (835, 2613), (871, 2505), (1005, 2171)]