647279919

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{502937}}^1$

素因数の和:502967

約数の個数: 24

約数和(自身を含む): 1098416592

約数和(自身を除く): 451136673

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 502937, 1508811, 4526433, 5532307, 6538181, 16596921, 19614543, 49790763, 58843629, 71919991, 215759973, 647279919]

約数ペア:

[(1, 647279919), (3, 215759973), (9, 71919991), (11, 58843629), (13, 49790763), (33, 19614543), (39, 16596921), (99, 6538181), (117, 5532307), (143, 4526433), (429, 1508811), (1287, 502937)]