56765565

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 101312640

約数和(自身を除く): 44547075

約数列:

[1, 3, 5, 9, 15, 45, 71, 109, 163, 213, 327, 355, 489, 545, 639, 815, 981, 1065, 1467, 1635, 2445, 3195, 4905, 7335, 7739, 11573, 17767, 23217, 34719, 38695, 53301, 57865, 69651, 88835, 104157, 116085, 159903, 173595, 266505, 348255, 520785, 799515, 1261457, 3784371, 6307285, 11353113, 18921855, 56765565]

約数ペア:

[(1, 56765565), (3, 18921855), (5, 11353113), (9, 6307285), (15, 3784371), (45, 1261457), (71, 799515), (109, 520785), (163, 348255), (213, 266505), (327, 173595), (355, 159903), (489, 116085), (545, 104157), (639, 88835), (815, 69651), (981, 57865), (1065, 53301), (1467, 38695), (1635, 34719), (2445, 23217), (3195, 17767), (4905, 11573), (7335, 7739)]