61921377

素因数分解:

$3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{1931}}^1$

素因数の和:2453

約数の個数: 24

約数和(自身を含む): 102473280

約数和(自身を除く): 40551903

約数列:

[1, 3, 7, 9, 21, 63, 509, 1527, 1931, 3563, 4581, 5793, 10689, 13517, 17379, 32067, 40551, 121653, 982879, 2948637, 6880153, 8845911, 20640459, 61921377]

約数ペア:

[(1, 61921377), (3, 20640459), (7, 8845911), (9, 6880153), (21, 2948637), (63, 982879), (509, 121653), (1527, 40551), (1931, 32067), (3563, 17379), (4581, 13517), (5793, 10689)]