210557571

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{2887}}^1$

素因数の和:3071

約数の個数: 32

約数和(自身を含む): 337133568

約数和(自身を除く): 126575997

約数列:

[1, 3, 7, 21, 23, 69, 151, 161, 453, 483, 1057, 2887, 3171, 3473, 8661, 10419, 20209, 24311, 60627, 66401, 72933, 199203, 435937, 464807, 1307811, 1394421, 3051559, 9154677, 10026551, 30079653, 70185857, 210557571]

約数ペア:

[(1, 210557571), (3, 70185857), (7, 30079653), (21, 10026551), (23, 9154677), (69, 3051559), (151, 1394421), (161, 1307811), (453, 464807), (483, 435937), (1057, 199203), (2887, 72933), (3171, 66401), (3473, 60627), (8661, 24311), (10419, 20209)]