81370971

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{13931}}^1$

素因数の和:14007

約数の個数: 24

約数和(自身を含む): 130403520

約数和(自身を除く): 49032549

約数列:

[1, 3, 9, 11, 33, 59, 99, 177, 531, 649, 1947, 5841, 13931, 41793, 125379, 153241, 459723, 821929, 1379169, 2465787, 7397361, 9041219, 27123657, 81370971]

約数ペア:

[(1, 81370971), (3, 27123657), (9, 9041219), (11, 7397361), (33, 2465787), (59, 1379169), (99, 821929), (177, 459723), (531, 153241), (649, 125379), (1947, 41793), (5841, 13931)]