1388709

素因数分解:

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

素因数の和:134

約数の個数: 36

約数和(自身を含む): 2418624

約数和(自身を除く): 1029915

約数列:

[1, 3, 7, 9, 21, 47, 49, 63, 67, 141, 147, 201, 329, 423, 441, 469, 603, 987, 1407, 2303, 2961, 3149, 3283, 4221, 6909, 9447, 9849, 20727, 22043, 28341, 29547, 66129, 154301, 198387, 462903, 1388709]

約数ペア:

[(1, 1388709), (3, 462903), (7, 198387), (9, 154301), (21, 66129), (47, 29547), (49, 28341), (63, 22043), (67, 20727), (141, 9849), (147, 9447), (201, 6909), (329, 4221), (423, 3283), (441, 3149), (469, 2961), (603, 2303), (987, 1407)]