18264267

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4327}}^1$

素因数の和:4407

約数の個数: 24

約数和(自身を含む): 30607616

約数和(自身を除く): 12343349

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4327, 12981, 30289, 38943, 90867, 272601, 289909, 869727, 2029363, 2609181, 6088089, 18264267]

約数ペア:

[(1, 18264267), (3, 6088089), (7, 2609181), (9, 2029363), (21, 869727), (63, 289909), (67, 272601), (201, 90867), (469, 38943), (603, 30289), (1407, 12981), (4221, 4327)]