1285751439

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1\times {\mathrm{479}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 2149355520

約数和(自身を除く): 863604081

約数列:

[1, 3, 7, 9, 21, 63, 137, 311, 411, 479, 933, 959, 1233, 1437, 2177, 2799, 2877, 3353, 4311, 6531, 8631, 10059, 19593, 30177, 42607, 65623, 127821, 148969, 196869, 298249, 383463, 446907, 459361, 590607, 894747, 1042783, 1340721, 1378083, 2684241, 3128349, 4134249, 9385047, 20408753, 61226259, 142861271, 183678777, 428583813, 1285751439]

約数ペア:

[(1, 1285751439), (3, 428583813), (7, 183678777), (9, 142861271), (21, 61226259), (63, 20408753), (137, 9385047), (311, 4134249), (411, 3128349), (479, 2684241), (933, 1378083), (959, 1340721), (1233, 1042783), (1437, 894747), (2177, 590607), (2799, 459361), (2877, 446907), (3353, 383463), (4311, 298249), (6531, 196869), (8631, 148969), (10059, 127821), (19593, 65623), (30177, 42607)]