7973901

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 13890240

約数和(自身を除く): 5916339

約数列:

[1, 3, 9, 13, 17, 19, 39, 51, 57, 117, 153, 171, 211, 221, 247, 323, 633, 663, 741, 969, 1899, 1989, 2223, 2743, 2907, 3587, 4009, 4199, 8229, 10761, 12027, 12597, 24687, 32283, 36081, 37791, 46631, 52117, 68153, 139893, 156351, 204459, 419679, 469053, 613377, 885989, 2657967, 7973901]

約数ペア:

[(1, 7973901), (3, 2657967), (9, 885989), (13, 613377), (17, 469053), (19, 419679), (39, 204459), (51, 156351), (57, 139893), (117, 68153), (153, 52117), (171, 46631), (211, 37791), (221, 36081), (247, 32283), (323, 24687), (633, 12597), (663, 12027), (741, 10761), (969, 8229), (1899, 4199), (1989, 4009), (2223, 3587), (2743, 2907)]