12973905

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{13729}}^1$

素因数の和:13750

約数の個数: 32

約数和(自身を含む): 26361600

約数和(自身を除く): 13387695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 13729, 41187, 68645, 96103, 123561, 205935, 288309, 370683, 480515, 617805, 864927, 1441545, 1853415, 2594781, 4324635, 12973905]

約数ペア:

[(1, 12973905), (3, 4324635), (5, 2594781), (7, 1853415), (9, 1441545), (15, 864927), (21, 617805), (27, 480515), (35, 370683), (45, 288309), (63, 205935), (105, 123561), (135, 96103), (189, 68645), (315, 41187), (945, 13729)]