2891385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 5855616

約数和(自身を除く): 2964231

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 137, 201, 315, 335, 411, 469, 603, 685, 959, 1005, 1233, 1407, 2055, 2345, 2877, 3015, 4221, 4795, 6165, 7035, 8631, 9179, 14385, 21105, 27537, 43155, 45895, 64253, 82611, 137685, 192759, 321265, 413055, 578277, 963795, 2891385]

約数ペア:

[(1, 2891385), (3, 963795), (5, 578277), (7, 413055), (9, 321265), (15, 192759), (21, 137685), (35, 82611), (45, 64253), (63, 45895), (67, 43155), (105, 27537), (137, 21105), (201, 14385), (315, 9179), (335, 8631), (411, 7035), (469, 6165), (603, 4795), (685, 4221), (959, 3015), (1005, 2877), (1233, 2345), (1407, 2055)]