26945139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 13503885

約数列:

[1, 3, 13, 37, 39, 71, 111, 213, 263, 481, 789, 923, 1443, 2627, 2769, 3419, 7881, 9731, 10257, 18673, 29193, 34151, 56019, 102453, 126503, 242749, 379509, 690901, 728247, 2072703, 8981713, 26945139]

約数ペア:

[(1, 26945139), (3, 8981713), (13, 2072703), (37, 728247), (39, 690901), (71, 379509), (111, 242749), (213, 126503), (263, 102453), (481, 56019), (789, 34151), (923, 29193), (1443, 18673), (2627, 10257), (2769, 9731), (3419, 7881)]