26995185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1993}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 54747264

約数和(自身を除く): 27752079

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 63, 105, 129, 215, 301, 315, 387, 645, 903, 1505, 1935, 1993, 2709, 4515, 5979, 9965, 13545, 13951, 17937, 29895, 41853, 69755, 85699, 89685, 125559, 209265, 257097, 428495, 599893, 627795, 771291, 1285485, 1799679, 2999465, 3856455, 5399037, 8998395, 26995185]

約数ペア:

[(1, 26995185), (3, 8998395), (5, 5399037), (7, 3856455), (9, 2999465), (15, 1799679), (21, 1285485), (35, 771291), (43, 627795), (45, 599893), (63, 428495), (105, 257097), (129, 209265), (215, 125559), (301, 89685), (315, 85699), (387, 69755), (645, 41853), (903, 29895), (1505, 17937), (1935, 13951), (1993, 13545), (2709, 9965), (4515, 5979)]