2487668841

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^2$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 4650233280

約数和(自身を除く): 2162564439

約数列:

[1, 3, 7, 9, 19, 21, 27, 37, 57, 63, 79, 81, 111, 133, 171, 189, 237, 259, 333, 399, 513, 553, 567, 703, 711, 777, 999, 1197, 1501, 1539, 1659, 2109, 2133, 2331, 2923, 2997, 3591, 4503, 4921, 4977, 6241, 6327, 6399, 6993, 8769, 10507, 10773, 13509, 14763, 14931, 18723, 18981, 20461, 20979, 26307, 31521, 40527, 43687, 44289, 44793, 55537, 56169, 56943, 61383, 78921, 94563, 118579, 121581, 131061, 132867, 166611, 168507, 184149, 230917, 236763, 283689, 355737, 388759, 393183, 398601, 499833, 505521, 552447, 692751, 830053, 851067, 1067211, 1166277, 1179549, 1499499, 1616419, 1657341, 2078253, 2490159, 3201633, 3498831, 3538647, 4387423, 4498497, 4849257, 6234759, 7470477, 9604899, 10496493, 13162269, 14547771, 18704277, 22411431, 30711961, 31489479, 39486807, 43643313, 67234293, 92135883, 118460421, 130929939, 276407649, 355381263, 829222947, 2487668841]

約数ペア:

[(1, 2487668841), (3, 829222947), (7, 355381263), (9, 276407649), (19, 130929939), (21, 118460421), (27, 92135883), (37, 67234293), (57, 43643313), (63, 39486807), (79, 31489479), (81, 30711961), (111, 22411431), (133, 18704277), (171, 14547771), (189, 13162269), (237, 10496493), (259, 9604899), (333, 7470477), (399, 6234759), (513, 4849257), (553, 4498497), (567, 4387423), (703, 3538647), (711, 3498831), (777, 3201633), (999, 2490159), (1197, 2078253), (1501, 1657341), (1539, 1616419), (1659, 1499499), (2109, 1179549), (2133, 1166277), (2331, 1067211), (2923, 851067), (2997, 830053), (3591, 692751), (4503, 552447), (4921, 505521), (4977, 499833), (6241, 398601), (6327, 393183), (6399, 388759), (6993, 355737), (8769, 283689), (10507, 236763), (10773, 230917), (13509, 184149), (14763, 168507), (14931, 166611), (18723, 132867), (18981, 131061), (20461, 121581), (20979, 118579), (26307, 94563), (31521, 78921), (40527, 61383), (43687, 56943), (44289, 56169), (44793, 55537)]