204857415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{2591}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 407586816

約数和(自身を除く): 202729401

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 251, 315, 753, 1255, 1757, 2259, 2591, 3765, 5271, 7773, 8785, 11295, 12955, 15813, 18137, 23319, 26355, 38865, 54411, 79065, 90685, 116595, 163233, 272055, 650341, 816165, 1951023, 3251705, 4552387, 5853069, 9755115, 13657161, 22761935, 29265345, 40971483, 68285805, 204857415]

約数ペア:

[(1, 204857415), (3, 68285805), (5, 40971483), (7, 29265345), (9, 22761935), (15, 13657161), (21, 9755115), (35, 5853069), (45, 4552387), (63, 3251705), (105, 1951023), (251, 816165), (315, 650341), (753, 272055), (1255, 163233), (1757, 116595), (2259, 90685), (2591, 79065), (3765, 54411), (5271, 38865), (7773, 26355), (8785, 23319), (11295, 18137), (12955, 15813)]