161799729

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 278691840

約数和(自身を除く): 116892111

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 107, 191, 203, 273, 321, 377, 573, 609, 749, 1131, 1337, 1391, 2247, 2483, 2639, 3103, 4011, 4173, 5539, 7449, 7917, 9309, 9737, 16617, 17381, 20437, 21721, 29211, 38773, 40339, 52143, 61311, 65163, 72007, 116319, 121017, 143059, 216021, 265681, 282373, 429177, 504049, 592673, 797043, 847119, 1512147, 1778019, 1859767, 4148711, 5579301, 7704749, 12446133, 23114247, 53933243, 161799729]

約数ペア:

[(1, 161799729), (3, 53933243), (7, 23114247), (13, 12446133), (21, 7704749), (29, 5579301), (39, 4148711), (87, 1859767), (91, 1778019), (107, 1512147), (191, 847119), (203, 797043), (273, 592673), (321, 504049), (377, 429177), (573, 282373), (609, 265681), (749, 216021), (1131, 143059), (1337, 121017), (1391, 116319), (2247, 72007), (2483, 65163), (2639, 61311), (3103, 52143), (4011, 40339), (4173, 38773), (5539, 29211), (7449, 21721), (7917, 20437), (9309, 17381), (9737, 16617)]