72806877

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 128620800

約数和(自身を除く): 55813923

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 109, 117, 143, 173, 297, 327, 351, 429, 519, 981, 1199, 1287, 1417, 1557, 1903, 2249, 2943, 3597, 3861, 4251, 4671, 5709, 6747, 10791, 12753, 15587, 17127, 18857, 20241, 24739, 32373, 38259, 46761, 51381, 56571, 60723, 74217, 140283, 169713, 207427, 222651, 245141, 420849, 509139, 622281, 667953, 735423, 1866843, 2206269, 2696551, 5600529, 6618807, 8089653, 24268959, 72806877]

約数ペア:

[(1, 72806877), (3, 24268959), (9, 8089653), (11, 6618807), (13, 5600529), (27, 2696551), (33, 2206269), (39, 1866843), (99, 735423), (109, 667953), (117, 622281), (143, 509139), (173, 420849), (297, 245141), (327, 222651), (351, 207427), (429, 169713), (519, 140283), (981, 74217), (1199, 60723), (1287, 56571), (1417, 51381), (1557, 46761), (1903, 38259), (2249, 32373), (2943, 24739), (3597, 20241), (3861, 18857), (4251, 17127), (4671, 15587), (5709, 12753), (6747, 10791)]