68197275

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1513

約数の個数: 48

約数和(自身を含む): 127134720

約数和(自身を除く): 58937445

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 355, 639, 675, 1065, 1423, 1775, 1917, 3195, 4269, 5325, 7115, 9585, 12807, 15975, 21345, 35575, 38421, 47925, 64035, 101033, 106725, 192105, 303099, 320175, 505165, 909297, 960525, 1515495, 2525825, 2727891, 4546485, 7577475, 13639455, 22732425, 68197275]

約数ペア:

[(1, 68197275), (3, 22732425), (5, 13639455), (9, 7577475), (15, 4546485), (25, 2727891), (27, 2525825), (45, 1515495), (71, 960525), (75, 909297), (135, 505165), (213, 320175), (225, 303099), (355, 192105), (639, 106725), (675, 101033), (1065, 64035), (1423, 47925), (1775, 38421), (1917, 35575), (3195, 21345), (4269, 15975), (5325, 12807), (7115, 9585)]