2647905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 4698624

約数和(自身を除く): 2050719

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 367, 481, 555, 1101, 1443, 1835, 2405, 4771, 5505, 7215, 13579, 14313, 23855, 40737, 67895, 71565, 176527, 203685, 529581, 882635, 2647905]

約数ペア:

[(1, 2647905), (3, 882635), (5, 529581), (13, 203685), (15, 176527), (37, 71565), (39, 67895), (65, 40737), (111, 23855), (185, 14313), (195, 13579), (367, 7215), (481, 5505), (555, 4771), (1101, 2405), (1443, 1835)]