51505443

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 88281600

約数和(自身を除く): 36776157

約数列:

[1, 3, 9, 11, 27, 33, 37, 43, 99, 109, 111, 129, 297, 327, 333, 387, 407, 473, 981, 999, 1161, 1199, 1221, 1419, 1591, 2943, 3597, 3663, 4033, 4257, 4687, 4773, 10791, 10989, 12099, 12771, 14061, 14319, 17501, 32373, 36297, 42183, 42957, 44363, 51557, 52503, 108891, 126549, 133089, 154671, 157509, 173419, 399267, 464013, 472527, 520257, 1197801, 1392039, 1560771, 1907609, 4682313, 5722827, 17168481, 51505443]

約数ペア:

[(1, 51505443), (3, 17168481), (9, 5722827), (11, 4682313), (27, 1907609), (33, 1560771), (37, 1392039), (43, 1197801), (99, 520257), (109, 472527), (111, 464013), (129, 399267), (297, 173419), (327, 157509), (333, 154671), (387, 133089), (407, 126549), (473, 108891), (981, 52503), (999, 51557), (1161, 44363), (1199, 42957), (1221, 42183), (1419, 36297), (1591, 32373), (2943, 17501), (3597, 14319), (3663, 14061), (4033, 12771), (4257, 12099), (4687, 10989), (4773, 10791)]