26899209

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7723}}^1$

素因数の和:7778

約数の個数: 20

約数和(自身を含む): 41122576

約数和(自身を除く): 14223367

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7723, 23169, 69507, 208521, 332089, 625563, 996267, 2988801, 8966403, 26899209]

約数ペア:

[(1, 26899209), (3, 8966403), (9, 2988801), (27, 996267), (43, 625563), (81, 332089), (129, 208521), (387, 69507), (1161, 23169), (3483, 7723)]