31865157

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{317}}^1$

素因数の和:419

約数の個数: 40

約数和(自身を含む): 51252696

約数和(自身を除く): 19387539

約数列:

[1, 3, 9, 17, 27, 51, 73, 81, 153, 219, 317, 459, 657, 951, 1241, 1377, 1971, 2853, 3723, 5389, 5913, 8559, 11169, 16167, 23141, 25677, 33507, 48501, 69423, 100521, 145503, 208269, 393397, 436509, 624807, 1180191, 1874421, 3540573, 10621719, 31865157]

約数ペア:

[(1, 31865157), (3, 10621719), (9, 3540573), (17, 1874421), (27, 1180191), (51, 624807), (73, 436509), (81, 393397), (153, 208269), (219, 145503), (317, 100521), (459, 69423), (657, 48501), (951, 33507), (1241, 25677), (1377, 23141), (1971, 16167), (2853, 11169), (3723, 8559), (5389, 5913)]