991935

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:132

約数の個数: 48

約数和(自身を含む): 2036736

約数和(自身を除く): 1044801

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 67, 105, 141, 201, 235, 315, 329, 335, 423, 469, 603, 705, 987, 1005, 1407, 1645, 2115, 2345, 2961, 3015, 3149, 4221, 4935, 7035, 9447, 14805, 15745, 21105, 22043, 28341, 47235, 66129, 110215, 141705, 198387, 330645, 991935]

約数ペア:

[(1, 991935), (3, 330645), (5, 198387), (7, 141705), (9, 110215), (15, 66129), (21, 47235), (35, 28341), (45, 22043), (47, 21105), (63, 15745), (67, 14805), (105, 9447), (141, 7035), (201, 4935), (235, 4221), (315, 3149), (329, 3015), (335, 2961), (423, 2345), (469, 2115), (603, 1645), (705, 1407), (987, 1005)]