71816409

素因数分解:

$3^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2857}}^1$

素因数の和:2899

約数の個数: 48

約数和(自身を含む): 130324800

約数和(自身を除く): 58508391

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 133, 147, 171, 189, 399, 441, 513, 931, 1197, 1323, 2793, 2857, 3591, 8379, 8571, 19999, 25137, 25713, 54283, 59997, 77139, 139993, 162849, 179991, 379981, 419979, 488547, 539973, 1139943, 1259937, 1465641, 2659867, 3419829, 3779811, 7979601, 10259487, 23938803, 71816409]

約数ペア:

[(1, 71816409), (3, 23938803), (7, 10259487), (9, 7979601), (19, 3779811), (21, 3419829), (27, 2659867), (49, 1465641), (57, 1259937), (63, 1139943), (133, 539973), (147, 488547), (171, 419979), (189, 379981), (399, 179991), (441, 162849), (513, 139993), (931, 77139), (1197, 59997), (1323, 54283), (2793, 25713), (2857, 25137), (3591, 19999), (8379, 8571)]