15105321

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 27675648

約数和(自身を除く): 12570327

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 71, 77, 99, 213, 231, 307, 497, 639, 693, 781, 921, 1491, 2149, 2343, 2763, 3377, 4473, 5467, 6447, 7029, 10131, 16401, 19341, 21797, 23639, 30393, 49203, 65391, 70917, 152579, 196173, 212751, 239767, 457737, 719301, 1373211, 1678369, 2157903, 5035107, 15105321]

約数ペア:

[(1, 15105321), (3, 5035107), (7, 2157903), (9, 1678369), (11, 1373211), (21, 719301), (33, 457737), (63, 239767), (71, 212751), (77, 196173), (99, 152579), (213, 70917), (231, 65391), (307, 49203), (497, 30393), (639, 23639), (693, 21797), (781, 19341), (921, 16401), (1491, 10131), (2149, 7029), (2343, 6447), (2763, 5467), (3377, 4473)]