90321921

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 142272000

約数和(自身を除く): 51950079

約数列:

[1, 3, 9, 29, 37, 47, 87, 111, 141, 199, 261, 333, 423, 597, 1073, 1363, 1739, 1791, 3219, 4089, 5217, 5771, 7363, 9353, 9657, 12267, 15651, 17313, 22089, 28059, 50431, 51939, 66267, 84177, 151293, 213527, 271237, 346061, 453879, 640581, 813711, 1038183, 1921743, 2441133, 3114549, 10035769, 30107307, 90321921]

約数ペア:

[(1, 90321921), (3, 30107307), (9, 10035769), (29, 3114549), (37, 2441133), (47, 1921743), (87, 1038183), (111, 813711), (141, 640581), (199, 453879), (261, 346061), (333, 271237), (423, 213527), (597, 151293), (1073, 84177), (1363, 66267), (1739, 51939), (1791, 50431), (3219, 28059), (4089, 22089), (5217, 17313), (5771, 15651), (7363, 12267), (9353, 9657)]