1239771825

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{8623}}^1$

素因数の和:8716

約数の個数: 60

約数和(自身を含む): 2329100928

約数和(自身を除く): 1089329103

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 213, 225, 355, 405, 639, 675, 1065, 1775, 1917, 2025, 3195, 5325, 5751, 8623, 9585, 15975, 25869, 28755, 43115, 47925, 77607, 129345, 143775, 215575, 232821, 388035, 612233, 646725, 698463, 1164105, 1836699, 1940175, 3061165, 3492315, 5510097, 5820525, 9183495, 15305825, 16530291, 17461575, 27550485, 45917475, 49590873, 82651455, 137752425, 247954365, 413257275, 1239771825]

約数ペア:

[(1, 1239771825), (3, 413257275), (5, 247954365), (9, 137752425), (15, 82651455), (25, 49590873), (27, 45917475), (45, 27550485), (71, 17461575), (75, 16530291), (81, 15305825), (135, 9183495), (213, 5820525), (225, 5510097), (355, 3492315), (405, 3061165), (639, 1940175), (675, 1836699), (1065, 1164105), (1775, 698463), (1917, 646725), (2025, 612233), (3195, 388035), (5325, 232821), (5751, 215575), (8623, 143775), (9585, 129345), (15975, 77607), (25869, 47925), (28755, 43115)]