1721286

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{719}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 4492800

約数和(自身を除く): 2771514

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 719, 798, 1197, 1438, 2157, 2394, 4314, 5033, 6471, 10066, 12942, 13661, 15099, 27322, 30198, 40983, 45297, 81966, 90594, 95627, 122949, 191254, 245898, 286881, 573762, 860643, 1721286]

約数ペア:

[(1, 1721286), (2, 860643), (3, 573762), (6, 286881), (7, 245898), (9, 191254), (14, 122949), (18, 95627), (19, 90594), (21, 81966), (38, 45297), (42, 40983), (57, 30198), (63, 27322), (114, 15099), (126, 13661), (133, 12942), (171, 10066), (266, 6471), (342, 5033), (399, 4314), (719, 2394), (798, 2157), (1197, 1438)]