81507006

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3037}}^1$

素因数の和:3126

約数の個数: 64

約数和(自身を含む): 209986560

約数和(自身を除く): 128479554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1278, 1491, 1917, 2982, 3037, 3834, 4473, 6074, 8946, 9111, 13419, 18222, 21259, 26838, 27333, 42518, 54666, 63777, 81999, 127554, 163998, 191331, 215627, 382662, 431254, 573993, 646881, 1147986, 1293762, 1509389, 1940643, 3018778, 3881286, 4528167, 5821929, 9056334, 11643858, 13584501, 27169002, 40753503, 81507006]

約数ペア:

[(1, 81507006), (2, 40753503), (3, 27169002), (6, 13584501), (7, 11643858), (9, 9056334), (14, 5821929), (18, 4528167), (21, 3881286), (27, 3018778), (42, 1940643), (54, 1509389), (63, 1293762), (71, 1147986), (126, 646881), (142, 573993), (189, 431254), (213, 382662), (378, 215627), (426, 191331), (497, 163998), (639, 127554), (994, 81999), (1278, 63777), (1491, 54666), (1917, 42518), (2982, 27333), (3037, 26838), (3834, 21259), (4473, 18222), (6074, 13419), (8946, 9111)]