90717813

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{6871}}^1$

素因数の和:7046

約数の個数: 20

約数和(自身を含む): 136367968

約数和(自身を除く): 45650155

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 6871, 13203, 20613, 61839, 185517, 556551, 1119973, 3359919, 10079757, 30239271, 90717813]

約数ペア:

[(1, 90717813), (3, 30239271), (9, 10079757), (27, 3359919), (81, 1119973), (163, 556551), (489, 185517), (1467, 61839), (4401, 20613), (6871, 13203)]