208853169

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 335554560

約数和(自身を除く): 126701391

約数列:

[1, 3, 7, 21, 31, 79, 93, 131, 217, 237, 393, 553, 651, 917, 961, 1659, 2449, 2751, 2883, 4061, 6727, 7347, 10349, 12183, 17143, 20181, 28427, 31047, 51429, 72443, 75919, 85281, 125891, 217329, 227757, 320819, 377673, 531433, 881237, 962457, 1594299, 2245733, 2643711, 6737199, 9945389, 29836167, 69617723, 208853169]

約数ペア:

[(1, 208853169), (3, 69617723), (7, 29836167), (21, 9945389), (31, 6737199), (79, 2643711), (93, 2245733), (131, 1594299), (217, 962457), (237, 881237), (393, 531433), (553, 377673), (651, 320819), (917, 227757), (961, 217329), (1659, 125891), (2449, 85281), (2751, 75919), (2883, 72443), (4061, 51429), (6727, 31047), (7347, 28427), (10349, 20181), (12183, 17143)]