1961421

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1213}}^1$

素因数の和:1241

約数の個数: 24

約数和(自身を含む): 3321504

約数和(自身を除く): 1360083

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1213, 1617, 3639, 8491, 13343, 25473, 40029, 59437, 93401, 178311, 280203, 653807, 1961421]

約数ペア:

[(1, 1961421), (3, 653807), (7, 280203), (11, 178311), (21, 93401), (33, 59437), (49, 40029), (77, 25473), (147, 13343), (231, 8491), (539, 3639), (1213, 1617)]