77839785

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2707}}^1$

素因数の和:2795

約数の個数: 40

約数和(自身を含む): 141552576

約数和(自身を除く): 63712791

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2707, 3195, 5751, 8121, 9585, 13535, 24363, 28755, 40605, 73089, 121815, 192197, 219267, 365445, 576591, 960985, 1096335, 1729773, 2882955, 5189319, 8648865, 15567957, 25946595, 77839785]

約数ペア:

[(1, 77839785), (3, 25946595), (5, 15567957), (9, 8648865), (15, 5189319), (27, 2882955), (45, 1729773), (71, 1096335), (81, 960985), (135, 576591), (213, 365445), (355, 219267), (405, 192197), (639, 121815), (1065, 73089), (1917, 40605), (2707, 28755), (3195, 24363), (5751, 13535), (8121, 9585)]