1247631

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{491}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 2093952

約数和(自身を除く): 846321

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 491, 847, 1473, 2541, 3437, 5401, 10311, 16203, 37807, 59411, 113421, 178233, 415877, 1247631]

約数ペア:

[(1, 1247631), (3, 415877), (7, 178233), (11, 113421), (21, 59411), (33, 37807), (77, 16203), (121, 10311), (231, 5401), (363, 3437), (491, 2541), (847, 1473)]