26827281

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{349}}^1$

素因数の和:447

約数の個数: 40

約数和(自身を含む): 43874600

約数和(自身を除く): 17047319

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 219, 349, 351, 657, 949, 1047, 1053, 1971, 2847, 3141, 4537, 5913, 8541, 9423, 13611, 25477, 25623, 28269, 40833, 76431, 76869, 122499, 229293, 331201, 367497, 687879, 993603, 2063637, 2980809, 8942427, 26827281]

約数ペア:

[(1, 26827281), (3, 8942427), (9, 2980809), (13, 2063637), (27, 993603), (39, 687879), (73, 367497), (81, 331201), (117, 229293), (219, 122499), (349, 76869), (351, 76431), (657, 40833), (949, 28269), (1047, 25623), (1053, 25477), (1971, 13611), (2847, 9423), (3141, 8541), (4537, 5913)]