28726815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{823}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 49835520

約数和(自身を除く): 21108705

約数列:

[1, 3, 5, 13, 15, 39, 65, 179, 195, 537, 823, 895, 2327, 2469, 2685, 4115, 6981, 10699, 11635, 12345, 32097, 34905, 53495, 147317, 160485, 441951, 736585, 1915121, 2209755, 5745363, 9575605, 28726815]

約数ペア:

[(1, 28726815), (3, 9575605), (5, 5745363), (13, 2209755), (15, 1915121), (39, 736585), (65, 441951), (179, 160485), (195, 147317), (537, 53495), (823, 34905), (895, 32097), (2327, 12345), (2469, 11635), (2685, 10699), (4115, 6981)]