31027878

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{127}}^1\times {\mathrm{277}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 79103232

約数和(自身を除く): 48075354

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 127, 147, 254, 277, 294, 381, 441, 554, 762, 831, 882, 889, 1143, 1662, 1778, 1939, 2286, 2493, 2667, 3878, 4986, 5334, 5817, 6223, 8001, 11634, 12446, 13573, 16002, 17451, 18669, 27146, 34902, 35179, 37338, 40719, 56007, 70358, 81438, 105537, 112014, 122157, 211074, 244314, 246253, 316611, 492506, 633222, 738759, 1477518, 1723771, 2216277, 3447542, 4432554, 5171313, 10342626, 15513939, 31027878]

約数ペア:

[(1, 31027878), (2, 15513939), (3, 10342626), (6, 5171313), (7, 4432554), (9, 3447542), (14, 2216277), (18, 1723771), (21, 1477518), (42, 738759), (49, 633222), (63, 492506), (98, 316611), (126, 246253), (127, 244314), (147, 211074), (254, 122157), (277, 112014), (294, 105537), (381, 81438), (441, 70358), (554, 56007), (762, 40719), (831, 37338), (882, 35179), (889, 34902), (1143, 27146), (1662, 18669), (1778, 17451), (1939, 16002), (2286, 13573), (2493, 12446), (2667, 11634), (3878, 8001), (4986, 6223), (5334, 5817)]