16649145

素因数分解:

$3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 30506112

約数和(自身を除く): 13856967

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 193, 213, 243, 355, 405, 579, 639, 965, 1065, 1215, 1737, 1917, 2895, 3195, 5211, 5751, 8685, 9585, 13703, 15633, 17253, 26055, 28755, 41109, 46899, 68515, 78165, 86265, 123327, 205545, 234495, 369981, 616635, 1109943, 1849905, 3329829, 5549715, 16649145]

約数ペア:

[(1, 16649145), (3, 5549715), (5, 3329829), (9, 1849905), (15, 1109943), (27, 616635), (45, 369981), (71, 234495), (81, 205545), (135, 123327), (193, 86265), (213, 78165), (243, 68515), (355, 46899), (405, 41109), (579, 28755), (639, 26055), (965, 17253), (1065, 15633), (1215, 13703), (1737, 9585), (1917, 8685), (2895, 5751), (3195, 5211)]