71380305

素因数分解:

$3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2657}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 127584000

約数和(自身を除く): 56203695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 199, 597, 995, 1791, 2657, 2985, 5373, 7971, 8955, 13285, 23913, 26865, 39855, 71739, 119565, 358695, 528743, 1586229, 2643715, 4758687, 7931145, 14276061, 23793435, 71380305]

約数ペア:

[(1, 71380305), (3, 23793435), (5, 14276061), (9, 7931145), (15, 4758687), (27, 2643715), (45, 1586229), (135, 528743), (199, 358695), (597, 119565), (995, 71739), (1791, 39855), (2657, 26865), (2985, 23913), (5373, 13285), (7971, 8955)]