1337357721

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 2149539840

約数和(自身を除く): 812182119

約数列:

[1, 3, 7, 21, 41, 67, 97, 123, 201, 239, 287, 291, 469, 679, 717, 861, 1407, 1673, 2037, 2747, 3977, 5019, 6499, 8241, 9799, 11931, 16013, 19229, 19497, 23183, 27839, 29397, 45493, 48039, 57687, 68593, 69549, 83517, 112091, 136479, 162281, 205779, 266459, 336273, 486843, 656533, 799377, 950503, 1553261, 1865213, 1969599, 2851509, 4595731, 4659783, 5595639, 6653521, 10872827, 13787193, 19960563, 32618481, 63683701, 191051103, 445785907, 1337357721]

約数ペア:

[(1, 1337357721), (3, 445785907), (7, 191051103), (21, 63683701), (41, 32618481), (67, 19960563), (97, 13787193), (123, 10872827), (201, 6653521), (239, 5595639), (287, 4659783), (291, 4595731), (469, 2851509), (679, 1969599), (717, 1865213), (861, 1553261), (1407, 950503), (1673, 799377), (2037, 656533), (2747, 486843), (3977, 336273), (5019, 266459), (6499, 205779), (8241, 162281), (9799, 136479), (11931, 112091), (16013, 83517), (19229, 69549), (19497, 68593), (23183, 57687), (27839, 48039), (29397, 45493)]