393460641

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 693149184

約数和(自身を除く): 299688543

約数列:

[1, 3, 7, 9, 21, 41, 47, 49, 63, 123, 141, 147, 287, 329, 369, 423, 441, 463, 861, 987, 1389, 1927, 2009, 2303, 2583, 2961, 3241, 4167, 5781, 6027, 6909, 9723, 13489, 17343, 18081, 18983, 20727, 21761, 22687, 29169, 40467, 56949, 65283, 68061, 94423, 121401, 132881, 152327, 170847, 195849, 204183, 283269, 398643, 456981, 849807, 892201, 930167, 1066289, 1195929, 1370943, 2676603, 2790501, 3198867, 6245407, 8029809, 8371503, 9596601, 18736221, 43717849, 56208663, 131153547, 393460641]

約数ペア:

[(1, 393460641), (3, 131153547), (7, 56208663), (9, 43717849), (21, 18736221), (41, 9596601), (47, 8371503), (49, 8029809), (63, 6245407), (123, 3198867), (141, 2790501), (147, 2676603), (287, 1370943), (329, 1195929), (369, 1066289), (423, 930167), (441, 892201), (463, 849807), (861, 456981), (987, 398643), (1389, 283269), (1927, 204183), (2009, 195849), (2303, 170847), (2583, 152327), (2961, 132881), (3241, 121401), (4167, 94423), (5781, 68061), (6027, 65283), (6909, 56949), (9723, 40467), (13489, 29169), (17343, 22687), (18081, 21761), (18983, 20727)]