80491383

素因数分解:

$3^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1987}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 133148288

約数和(自身を除く): 52656905

約数列:

[1, 3, 7, 9, 21, 63, 643, 1929, 1987, 4501, 5787, 5961, 13503, 13909, 17883, 40509, 41727, 125181, 1277641, 3832923, 8943487, 11498769, 26830461, 80491383]

約数ペア:

[(1, 80491383), (3, 26830461), (7, 11498769), (9, 8943487), (21, 3832923), (63, 1277641), (643, 125181), (1929, 41727), (1987, 40509), (4501, 17883), (5787, 13909), (5961, 13503)]