180197721

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 294570432

約数和(自身を除く): 114372711

約数列:

[1, 3, 9, 11, 33, 53, 61, 99, 159, 183, 477, 549, 563, 583, 671, 1689, 1749, 2013, 3233, 5067, 5247, 6039, 6193, 9699, 18579, 29097, 29839, 34343, 35563, 55737, 89517, 103029, 106689, 268551, 309087, 320067, 328229, 377773, 984687, 1133319, 1820179, 2954061, 3399957, 5460537, 16381611, 20021969, 60065907, 180197721]

約数ペア:

[(1, 180197721), (3, 60065907), (9, 20021969), (11, 16381611), (33, 5460537), (53, 3399957), (61, 2954061), (99, 1820179), (159, 1133319), (183, 984687), (477, 377773), (549, 328229), (563, 320067), (583, 309087), (671, 268551), (1689, 106689), (1749, 103029), (2013, 89517), (3233, 55737), (5067, 35563), (5247, 34343), (6039, 29839), (6193, 29097), (9699, 18579)]