206965269

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{15139}}^1$

素因数の和:15190

約数の個数: 36

約数和(自身を含む): 358999680

約数和(自身を除く): 152034411

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1519, 1953, 4557, 13671, 15139, 45417, 105973, 136251, 317919, 469309, 741811, 953757, 1407927, 2225433, 3285163, 4223781, 6676299, 9855489, 22996141, 29566467, 68988423, 206965269]

約数ペア:

[(1, 206965269), (3, 68988423), (7, 29566467), (9, 22996141), (21, 9855489), (31, 6676299), (49, 4223781), (63, 3285163), (93, 2225433), (147, 1407927), (217, 953757), (279, 741811), (441, 469309), (651, 317919), (1519, 136251), (1953, 105973), (4557, 45417), (13671, 15139)]