210003003

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^2\times {\mathrm{503}}^1$

素因数の和:613

約数の個数: 48

約数和(自身を含む): 364008960

約数和(自身を除く): 154005957

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 503, 987, 1269, 1509, 2209, 2961, 3521, 4527, 6627, 8883, 10563, 13581, 15463, 19881, 23641, 31689, 46389, 59643, 70923, 95067, 139167, 165487, 212769, 417501, 496461, 638307, 1111127, 1489383, 3333381, 4468149, 7777889, 10000143, 23333667, 30000429, 70001001, 210003003]

約数ペア:

[(1, 210003003), (3, 70001001), (7, 30000429), (9, 23333667), (21, 10000143), (27, 7777889), (47, 4468149), (63, 3333381), (141, 1489383), (189, 1111127), (329, 638307), (423, 496461), (503, 417501), (987, 212769), (1269, 165487), (1509, 139167), (2209, 95067), (2961, 70923), (3521, 59643), (4527, 46389), (6627, 31689), (8883, 23641), (10563, 19881), (13581, 15463)]