28320075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17981}}^1$

素因数の和:18004

約数の個数: 36

約数和(自身を含む): 57973968

約数和(自身を除く): 29653893

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 175, 225, 315, 525, 1575, 17981, 53943, 89905, 125867, 161829, 269715, 377601, 449525, 629335, 809145, 1132803, 1348575, 1888005, 3146675, 4045725, 5664015, 9440025, 28320075]

約数ペア:

[(1, 28320075), (3, 9440025), (5, 5664015), (7, 4045725), (9, 3146675), (15, 1888005), (21, 1348575), (25, 1132803), (35, 809145), (45, 629335), (63, 449525), (75, 377601), (105, 269715), (175, 161829), (225, 125867), (315, 89905), (525, 53943), (1575, 17981)]