13475215

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 18024768

約数和(自身を除く): 4549553

約数列:

[1, 5, 13, 37, 65, 169, 185, 431, 481, 845, 2155, 2405, 5603, 6253, 15947, 28015, 31265, 72839, 79735, 207311, 364195, 1036555, 2695043, 13475215]

約数ペア:

[(1, 13475215), (5, 2695043), (13, 1036555), (37, 364195), (65, 207311), (169, 79735), (185, 72839), (431, 31265), (481, 28015), (845, 15947), (2155, 6253), (2405, 5603)]