205292475

素因数分解:

$3^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{719}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 389975040

約数和(自身を除く): 184682565

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 225, 235, 243, 405, 423, 675, 705, 719, 1175, 1215, 1269, 2025, 2115, 2157, 3525, 3595, 3807, 6075, 6345, 6471, 10575, 10785, 11421, 17975, 19035, 19413, 31725, 32355, 33793, 53925, 57105, 58239, 95175, 97065, 101379, 161775, 168965, 174717, 285525, 291195, 304137, 485325, 506895, 844825, 873585, 912411, 1455975, 1520685, 2534475, 2737233, 4367925, 4562055, 7603425, 8211699, 13686165, 22810275, 41058495, 68430825, 205292475]

約数ペア:

[(1, 205292475), (3, 68430825), (5, 41058495), (9, 22810275), (15, 13686165), (25, 8211699), (27, 7603425), (45, 4562055), (47, 4367925), (75, 2737233), (81, 2534475), (135, 1520685), (141, 1455975), (225, 912411), (235, 873585), (243, 844825), (405, 506895), (423, 485325), (675, 304137), (705, 291195), (719, 285525), (1175, 174717), (1215, 168965), (1269, 161775), (2025, 101379), (2115, 97065), (2157, 95175), (3525, 58239), (3595, 57105), (3807, 53925), (6075, 33793), (6345, 32355), (6471, 31725), (10575, 19413), (10785, 19035), (11421, 17975)]