299970993

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 500480000

約数和(自身を除く): 200509007

約数列:

[1, 3, 7, 19, 21, 49, 57, 67, 133, 147, 201, 229, 343, 399, 469, 687, 931, 1029, 1273, 1407, 1603, 2793, 3283, 3819, 4351, 4809, 6517, 8911, 9849, 11221, 13053, 15343, 19551, 22981, 26733, 30457, 33663, 46029, 62377, 68943, 78547, 91371, 107401, 187131, 213199, 235641, 291517, 322203, 436639, 639597, 751807, 874551, 1309917, 1492393, 2040619, 2255421, 4477179, 5262649, 6121857, 14284333, 15787947, 42852999, 99990331, 299970993]

約数ペア:

[(1, 299970993), (3, 99990331), (7, 42852999), (19, 15787947), (21, 14284333), (49, 6121857), (57, 5262649), (67, 4477179), (133, 2255421), (147, 2040619), (201, 1492393), (229, 1309917), (343, 874551), (399, 751807), (469, 639597), (687, 436639), (931, 322203), (1029, 291517), (1273, 235641), (1407, 213199), (1603, 187131), (2793, 107401), (3283, 91371), (3819, 78547), (4351, 68943), (4809, 62377), (6517, 46029), (8911, 33663), (9849, 30457), (11221, 26733), (13053, 22981), (15343, 19551)]