71551155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 129927168

約数和(自身を除く): 58376013

約数列:

[1, 3, 5, 13, 15, 37, 39, 47, 65, 111, 141, 185, 195, 211, 235, 481, 555, 611, 633, 705, 1055, 1443, 1739, 1833, 2405, 2743, 3055, 3165, 5217, 7215, 7807, 8229, 8695, 9165, 9917, 13715, 22607, 23421, 26085, 29751, 39035, 41145, 49585, 67821, 101491, 113035, 117105, 128921, 148755, 304473, 339105, 366929, 386763, 507455, 644605, 1100787, 1522365, 1834645, 1933815, 4770077, 5503935, 14310231, 23850385, 71551155]

約数ペア:

[(1, 71551155), (3, 23850385), (5, 14310231), (13, 5503935), (15, 4770077), (37, 1933815), (39, 1834645), (47, 1522365), (65, 1100787), (111, 644605), (141, 507455), (185, 386763), (195, 366929), (211, 339105), (235, 304473), (481, 148755), (555, 128921), (611, 117105), (633, 113035), (705, 101491), (1055, 67821), (1443, 49585), (1739, 41145), (1833, 39035), (2405, 29751), (2743, 26085), (3055, 23421), (3165, 22607), (5217, 13715), (7215, 9917), (7807, 9165), (8229, 8695)]