40940739

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{20963}}^1$

素因数の和:21007

約数の個数: 24

約数和(自身を含む): 69768192

約数和(自身を除く): 28827453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 20963, 62889, 146741, 188667, 440223, 649853, 1320669, 1949559, 4548971, 5848677, 13646913, 40940739]

約数ペア:

[(1, 40940739), (3, 13646913), (7, 5848677), (9, 4548971), (21, 1949559), (31, 1320669), (63, 649853), (93, 440223), (217, 188667), (279, 146741), (651, 62889), (1953, 20963)]