12891825

素因数分解:

$3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:359

約数の個数: 48

約数和(自身を含む): 24105600

約数和(自身を除く): 11213775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 135, 213, 225, 269, 355, 639, 675, 807, 1065, 1345, 1775, 1917, 2421, 3195, 4035, 5325, 6725, 7263, 9585, 12105, 15975, 19099, 20175, 36315, 47925, 57297, 60525, 95495, 171891, 181575, 286485, 477475, 515673, 859455, 1432425, 2578365, 4297275, 12891825]

約数ペア:

[(1, 12891825), (3, 4297275), (5, 2578365), (9, 1432425), (15, 859455), (25, 515673), (27, 477475), (45, 286485), (71, 181575), (75, 171891), (135, 95495), (213, 60525), (225, 57297), (269, 47925), (355, 36315), (639, 20175), (675, 19099), (807, 15975), (1065, 12105), (1345, 9585), (1775, 7263), (1917, 6725), (2421, 5325), (3195, 4035)]