13211385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 24131520

約数和(自身を除く): 10920135

約数列:

[1, 3, 5, 11, 15, 29, 33, 55, 87, 121, 145, 165, 251, 319, 363, 435, 605, 753, 957, 1255, 1595, 1815, 2761, 3509, 3765, 4785, 7279, 8283, 10527, 13805, 17545, 21837, 30371, 36395, 41415, 52635, 80069, 91113, 109185, 151855, 240207, 400345, 455565, 880759, 1201035, 2642277, 4403795, 13211385]

約数ペア:

[(1, 13211385), (3, 4403795), (5, 2642277), (11, 1201035), (15, 880759), (29, 455565), (33, 400345), (55, 240207), (87, 151855), (121, 109185), (145, 91113), (165, 80069), (251, 52635), (319, 41415), (363, 36395), (435, 30371), (605, 21837), (753, 17545), (957, 13805), (1255, 10527), (1595, 8283), (1815, 7279), (2761, 4785), (3509, 3765)]