25205661

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 41583360

約数和(自身を除く): 16377699

約数列:

[1, 3, 9, 13, 27, 39, 79, 81, 101, 117, 237, 243, 303, 351, 711, 909, 1027, 1053, 1313, 2133, 2727, 3081, 3159, 3939, 6399, 7979, 8181, 9243, 11817, 19197, 23937, 24543, 27729, 35451, 71811, 83187, 103727, 106353, 215433, 249561, 311181, 319059, 646299, 933543, 1938897, 2800629, 8401887, 25205661]

約数ペア:

[(1, 25205661), (3, 8401887), (9, 2800629), (13, 1938897), (27, 933543), (39, 646299), (79, 319059), (81, 311181), (101, 249561), (117, 215433), (237, 106353), (243, 103727), (303, 83187), (351, 71811), (711, 35451), (909, 27729), (1027, 24543), (1053, 23937), (1313, 19197), (2133, 11817), (2727, 9243), (3081, 8181), (3159, 7979), (3939, 6399)]