1387708833

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3477967}}^1$

素因数の和:3477996

約数の個数: 16

約数和(自身を含む): 2225899520

約数和(自身を除く): 838190687

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3477967, 10433901, 24345769, 66081373, 73037307, 198244119, 462569611, 1387708833]

約数ペア:

[(1, 1387708833), (3, 462569611), (7, 198244119), (19, 73037307), (21, 66081373), (57, 24345769), (133, 10433901), (399, 3477967)]