25887285

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 21287115

約数列:

[1, 3, 5, 9, 15, 29, 45, 83, 87, 145, 239, 249, 261, 415, 435, 717, 747, 1195, 1245, 1305, 2151, 2407, 3585, 3735, 6931, 7221, 10755, 12035, 19837, 20793, 21663, 34655, 36105, 59511, 62379, 99185, 103965, 108315, 178533, 297555, 311895, 575273, 892665, 1725819, 2876365, 5177457, 8629095, 25887285]

約数ペア:

[(1, 25887285), (3, 8629095), (5, 5177457), (9, 2876365), (15, 1725819), (29, 892665), (45, 575273), (83, 311895), (87, 297555), (145, 178533), (239, 108315), (249, 103965), (261, 99185), (415, 62379), (435, 59511), (717, 36105), (747, 34655), (1195, 21663), (1245, 20793), (1305, 19837), (2151, 12035), (2407, 10755), (3585, 7221), (3735, 6931)]