1780002

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:312

約数の個数: 64

約数和(自身を含む): 4803840

約数和(自身を除く): 3023838

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 277, 306, 357, 378, 459, 554, 714, 831, 918, 1071, 1662, 1939, 2142, 2493, 3213, 3878, 4709, 4986, 5817, 6426, 7479, 9418, 11634, 14127, 14958, 17451, 28254, 32963, 34902, 42381, 52353, 65926, 84762, 98889, 104706, 127143, 197778, 254286, 296667, 593334, 890001, 1780002]

約数ペア:

[(1, 1780002), (2, 890001), (3, 593334), (6, 296667), (7, 254286), (9, 197778), (14, 127143), (17, 104706), (18, 98889), (21, 84762), (27, 65926), (34, 52353), (42, 42381), (51, 34902), (54, 32963), (63, 28254), (102, 17451), (119, 14958), (126, 14127), (153, 11634), (189, 9418), (238, 7479), (277, 6426), (306, 5817), (357, 4986), (378, 4709), (459, 3878), (554, 3213), (714, 2493), (831, 2142), (918, 1939), (1071, 1662)]