207668721

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 315474432

約数和(自身を除く): 107805711

約数列:

[1, 3, 13, 31, 39, 73, 93, 169, 181, 219, 403, 507, 543, 949, 1209, 2263, 2353, 2847, 5239, 5611, 6789, 7059, 12337, 13213, 15717, 16833, 29419, 30589, 37011, 39639, 72943, 88257, 91767, 171769, 218829, 382447, 409603, 515307, 948259, 1147341, 1228809, 2232997, 2844777, 5324839, 6698991, 15974517, 69222907, 207668721]

約数ペア:

[(1, 207668721), (3, 69222907), (13, 15974517), (31, 6698991), (39, 5324839), (73, 2844777), (93, 2232997), (169, 1228809), (181, 1147341), (219, 948259), (403, 515307), (507, 409603), (543, 382447), (949, 218829), (1209, 171769), (2263, 91767), (2353, 88257), (2847, 72943), (5239, 39639), (5611, 37011), (6789, 30589), (7059, 29419), (12337, 16833), (13213, 15717)]