3940209

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 7443072

約数和(自身を除く): 3502863

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 51, 63, 91, 117, 119, 153, 221, 273, 283, 357, 663, 819, 849, 1071, 1547, 1981, 1989, 2547, 3679, 4641, 4811, 5943, 11037, 13923, 14433, 17829, 25753, 33111, 33677, 43299, 62543, 77259, 101031, 187629, 231777, 303093, 437801, 562887, 1313403, 3940209]

約数ペア:

[(1, 3940209), (3, 1313403), (7, 562887), (9, 437801), (13, 303093), (17, 231777), (21, 187629), (39, 101031), (51, 77259), (63, 62543), (91, 43299), (117, 33677), (119, 33111), (153, 25753), (221, 17829), (273, 14433), (283, 13923), (357, 11037), (663, 5943), (819, 4811), (849, 4641), (1071, 3679), (1547, 2547), (1981, 1989)]