26809881

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1181}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 43573248

約数和(自身を除く): 16763367

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 1181, 3243, 3543, 7567, 8267, 22701, 24801, 27163, 55507, 81489, 166521, 190141, 388549, 570423, 1165647, 1276661, 3829983, 8936627, 26809881]

約数ペア:

[(1, 26809881), (3, 8936627), (7, 3829983), (21, 1276661), (23, 1165647), (47, 570423), (69, 388549), (141, 190141), (161, 166521), (329, 81489), (483, 55507), (987, 27163), (1081, 24801), (1181, 22701), (3243, 8267), (3543, 7567)]