25090965

素因数分解:

$3^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 45759168

約数和(自身を除く): 20668203

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 193, 243, 321, 405, 535, 579, 963, 965, 1215, 1605, 1737, 2889, 2895, 4815, 5211, 8667, 8685, 14445, 15633, 20651, 26001, 26055, 43335, 46899, 61953, 78165, 103255, 130005, 185859, 234495, 309765, 557577, 929295, 1672731, 2787885, 5018193, 8363655, 25090965]

約数ペア:

[(1, 25090965), (3, 8363655), (5, 5018193), (9, 2787885), (15, 1672731), (27, 929295), (45, 557577), (81, 309765), (107, 234495), (135, 185859), (193, 130005), (243, 103255), (321, 78165), (405, 61953), (535, 46899), (579, 43335), (963, 26055), (965, 26001), (1215, 20651), (1605, 15633), (1737, 14445), (2889, 8685), (2895, 8667), (4815, 5211)]