201451005

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{887}}^1$

素因数の和:1015

約数の個数: 72

約数和(自身を含む): 410596992

約数和(自身を除く): 209145987

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 103, 105, 147, 245, 309, 315, 441, 515, 721, 735, 887, 927, 1545, 2163, 2205, 2661, 3605, 4435, 4635, 5047, 6209, 6489, 7983, 10815, 13305, 15141, 18627, 25235, 31045, 32445, 39915, 43463, 45423, 55881, 75705, 91361, 93135, 130389, 217315, 227115, 274083, 279405, 391167, 456805, 639527, 651945, 822249, 1370415, 1918581, 1955835, 3197635, 4111245, 4476689, 5755743, 9592905, 13430067, 22383445, 28778715, 40290201, 67150335, 201451005]

約数ペア:

[(1, 201451005), (3, 67150335), (5, 40290201), (7, 28778715), (9, 22383445), (15, 13430067), (21, 9592905), (35, 5755743), (45, 4476689), (49, 4111245), (63, 3197635), (103, 1955835), (105, 1918581), (147, 1370415), (245, 822249), (309, 651945), (315, 639527), (441, 456805), (515, 391167), (721, 279405), (735, 274083), (887, 227115), (927, 217315), (1545, 130389), (2163, 93135), (2205, 91361), (2661, 75705), (3605, 55881), (4435, 45423), (4635, 43463), (5047, 39915), (6209, 32445), (6489, 31045), (7983, 25235), (10815, 18627), (13305, 15141)]