81554907

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{12251}}^1$

素因数の和:12578

約数の個数: 16

約数和(自身を含む): 124676352

約数和(自身を除く): 43121445

約数列:

[1, 3, 7, 21, 317, 951, 2219, 6657, 12251, 36753, 85757, 257271, 3883567, 11650701, 27184969, 81554907]

約数ペア:

[(1, 81554907), (3, 27184969), (7, 11650701), (21, 3883567), (317, 257271), (951, 85757), (2219, 36753), (6657, 12251)]