17972415

素因数分解:

$3^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1$

素因数の和:2068

約数の個数: 32

約数和(自身を含む): 32444160

約数和(自身を除く): 14471745

約数列:

[1, 3, 5, 9, 15, 27, 45, 67, 135, 201, 335, 603, 1005, 1809, 1987, 3015, 5961, 9045, 9935, 17883, 29805, 53649, 89415, 133129, 268245, 399387, 665645, 1198161, 1996935, 3594483, 5990805, 17972415]

約数ペア:

[(1, 17972415), (3, 5990805), (5, 3594483), (9, 1996935), (15, 1198161), (27, 665645), (45, 399387), (67, 268245), (135, 133129), (201, 89415), (335, 53649), (603, 29805), (1005, 17883), (1809, 9935), (1987, 9045), (3015, 5961)]