28570815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6977}}^1$

素因数の和:7008

約数の個数: 48

約数和(自身を含む): 60959808

約数和(自身を除く): 32388993

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 195, 273, 315, 455, 585, 819, 1365, 4095, 6977, 20931, 34885, 48839, 62793, 90701, 104655, 146517, 244195, 272103, 313965, 439551, 453505, 634907, 732585, 816309, 1360515, 1904721, 2197755, 3174535, 4081545, 5714163, 9523605, 28570815]

約数ペア:

[(1, 28570815), (3, 9523605), (5, 5714163), (7, 4081545), (9, 3174535), (13, 2197755), (15, 1904721), (21, 1360515), (35, 816309), (39, 732585), (45, 634907), (63, 453505), (65, 439551), (91, 313965), (105, 272103), (117, 244195), (195, 146517), (273, 104655), (315, 90701), (455, 62793), (585, 48839), (819, 34885), (1365, 20931), (4095, 6977)]