12815715

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 23595264

約数和(自身を除く): 10779549

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 121, 165, 253, 307, 345, 363, 605, 759, 921, 1265, 1535, 1815, 2783, 3377, 3795, 4605, 7061, 8349, 10131, 13915, 16885, 21183, 35305, 37147, 41745, 50655, 77671, 105915, 111441, 185735, 233013, 388355, 557205, 854381, 1165065, 2563143, 4271905, 12815715]

約数ペア:

[(1, 12815715), (3, 4271905), (5, 2563143), (11, 1165065), (15, 854381), (23, 557205), (33, 388355), (55, 233013), (69, 185735), (115, 111441), (121, 105915), (165, 77671), (253, 50655), (307, 41745), (345, 37147), (363, 35305), (605, 21183), (759, 16885), (921, 13915), (1265, 10131), (1535, 8349), (1815, 7061), (2783, 4605), (3377, 3795)]