71784999

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 130074672

約数和(自身を除く): 58289673

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 193, 221, 289, 429, 561, 579, 663, 867, 1287, 1683, 1737, 1989, 2123, 2431, 2509, 2601, 3179, 3281, 3757, 6369, 7293, 7527, 9537, 9843, 11271, 19107, 21879, 22581, 27599, 28611, 29529, 33813, 36091, 41327, 42653, 55777, 82797, 108273, 123981, 127959, 167331, 248391, 324819, 371943, 383877, 469183, 501993, 613547, 725101, 1407549, 1840641, 2175303, 4222647, 5521923, 6525909, 7976111, 23928333, 71784999]

約数ペア:

[(1, 71784999), (3, 23928333), (9, 7976111), (11, 6525909), (13, 5521923), (17, 4222647), (33, 2175303), (39, 1840641), (51, 1407549), (99, 725101), (117, 613547), (143, 501993), (153, 469183), (187, 383877), (193, 371943), (221, 324819), (289, 248391), (429, 167331), (561, 127959), (579, 123981), (663, 108273), (867, 82797), (1287, 55777), (1683, 42653), (1737, 41327), (1989, 36091), (2123, 33813), (2431, 29529), (2509, 28611), (2601, 27599), (3179, 22581), (3281, 21879), (3757, 19107), (6369, 11271), (7293, 9843), (7527, 9537)]