3978018

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 9959040

約数和(自身を除く): 5981022

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 37, 54, 66, 74, 99, 111, 181, 198, 222, 297, 333, 362, 407, 543, 594, 666, 814, 999, 1086, 1221, 1629, 1991, 1998, 2442, 3258, 3663, 3982, 4887, 5973, 6697, 7326, 9774, 10989, 11946, 13394, 17919, 20091, 21978, 35838, 40182, 53757, 60273, 73667, 107514, 120546, 147334, 180819, 221001, 361638, 442002, 663003, 1326006, 1989009, 3978018]

約数ペア:

[(1, 3978018), (2, 1989009), (3, 1326006), (6, 663003), (9, 442002), (11, 361638), (18, 221001), (22, 180819), (27, 147334), (33, 120546), (37, 107514), (54, 73667), (66, 60273), (74, 53757), (99, 40182), (111, 35838), (181, 21978), (198, 20091), (222, 17919), (297, 13394), (333, 11946), (362, 10989), (407, 9774), (543, 7326), (594, 6697), (666, 5973), (814, 4887), (999, 3982), (1086, 3663), (1221, 3258), (1629, 2442), (1991, 1998)]