978173931

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2739983}}^1$

素因数の和:2740010

約数の個数: 16

約数和(自身を含む): 1578230784

約数和(自身を除く): 600056853

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2739983, 8219949, 19179881, 46579711, 57539643, 139739133, 326057977, 978173931]

約数ペア:

[(1, 978173931), (3, 326057977), (7, 139739133), (17, 57539643), (21, 46579711), (51, 19179881), (119, 8219949), (357, 2739983)]