13815765

素因数分解:

$3^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 25316928

約数和(自身を除く): 11501163

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 83, 135, 137, 243, 249, 405, 411, 415, 685, 747, 1215, 1233, 1245, 2055, 2241, 3699, 3735, 6165, 6723, 11097, 11205, 11371, 18495, 20169, 33291, 33615, 34113, 55485, 56855, 100845, 102339, 166455, 170565, 307017, 511695, 921051, 1535085, 2763153, 4605255, 13815765]

約数ペア:

[(1, 13815765), (3, 4605255), (5, 2763153), (9, 1535085), (15, 921051), (27, 511695), (45, 307017), (81, 170565), (83, 166455), (135, 102339), (137, 100845), (243, 56855), (249, 55485), (405, 34113), (411, 33615), (415, 33291), (685, 20169), (747, 18495), (1215, 11371), (1233, 11205), (1245, 11097), (2055, 6723), (2241, 6165), (3699, 3735)]