2940245

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1091}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 4481568

約数和(自身を除く): 1541323

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 1091, 2695, 5455, 7637, 12001, 38185, 53459, 60005, 84007, 267295, 420035, 588049, 2940245]

約数ペア:

[(1, 2940245), (5, 588049), (7, 420035), (11, 267295), (35, 84007), (49, 60005), (55, 53459), (77, 38185), (245, 12001), (385, 7637), (539, 5455), (1091, 2695)]