13256565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{503}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 11128971

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 503, 753, 1255, 1509, 1757, 2515, 3521, 3765, 5271, 7545, 8785, 10563, 17605, 26355, 52815, 126253, 378759, 631265, 883771, 1893795, 2651313, 4418855, 13256565]

約数ペア:

[(1, 13256565), (3, 4418855), (5, 2651313), (7, 1893795), (15, 883771), (21, 631265), (35, 378759), (105, 126253), (251, 52815), (503, 26355), (753, 17605), (1255, 10563), (1509, 8785), (1757, 7545), (2515, 5271), (3521, 3765)]