13520815

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 21422880

約数和(自身を除く): 7902065

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 173, 203, 245, 319, 385, 539, 865, 1015, 1211, 1421, 1595, 1903, 2233, 2695, 5017, 6055, 7105, 8477, 9515, 11165, 13321, 15631, 25085, 35119, 42385, 55187, 66605, 78155, 93247, 175595, 245833, 275935, 386309, 466235, 1229165, 1931545, 2704163, 13520815]

約数ペア:

[(1, 13520815), (5, 2704163), (7, 1931545), (11, 1229165), (29, 466235), (35, 386309), (49, 275935), (55, 245833), (77, 175595), (145, 93247), (173, 78155), (203, 66605), (245, 55187), (319, 42385), (385, 35119), (539, 25085), (865, 15631), (1015, 13321), (1211, 11165), (1421, 9515), (1595, 8477), (1903, 7105), (2233, 6055), (2695, 5017)]