17520115

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 23569920

約数和(自身を除く): 6049805

約数列:

[1, 5, 17, 31, 61, 85, 109, 155, 305, 527, 545, 1037, 1853, 1891, 2635, 3379, 5185, 6649, 9265, 9455, 16895, 32147, 33245, 57443, 113033, 160735, 206119, 287215, 565165, 1030595, 3504023, 17520115]

約数ペア:

[(1, 17520115), (5, 3504023), (17, 1030595), (31, 565165), (61, 287215), (85, 206119), (109, 160735), (155, 113033), (305, 57443), (527, 33245), (545, 32147), (1037, 16895), (1853, 9455), (1891, 9265), (2635, 6649), (3379, 5185)]