90220149

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{25903}}^1$

素因数の和:25958

約数の個数: 20

約数和(自身を含む): 137912896

約数和(自身を除く): 47692747

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 25903, 77709, 233127, 699381, 1113829, 2098143, 3341487, 10024461, 30073383, 90220149]

約数ペア:

[(1, 90220149), (3, 30073383), (9, 10024461), (27, 3341487), (43, 2098143), (81, 1113829), (129, 699381), (387, 233127), (1161, 77709), (3483, 25903)]