68285805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2591}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 125411328

約数和(自身を除く): 57125523

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 251, 753, 1255, 1757, 2591, 3765, 5271, 7773, 8785, 12955, 18137, 26355, 38865, 54411, 90685, 272055, 650341, 1951023, 3251705, 4552387, 9755115, 13657161, 22761935, 68285805]

約数ペア:

[(1, 68285805), (3, 22761935), (5, 13657161), (7, 9755115), (15, 4552387), (21, 3251705), (35, 1951023), (105, 650341), (251, 272055), (753, 90685), (1255, 54411), (1757, 38865), (2591, 26355), (3765, 18137), (5271, 12955), (7773, 8785)]