13281275

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2617}}^1$

素因数の和:2663

約数の個数: 24

約数和(自身を含む): 19477920

約数和(自身を除く): 6196645

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 2617, 5075, 13085, 18319, 65425, 75893, 91595, 379465, 457975, 531251, 1897325, 2656255, 13281275]

約数ペア:

[(1, 13281275), (5, 2656255), (7, 1897325), (25, 531251), (29, 457975), (35, 379465), (145, 91595), (175, 75893), (203, 65425), (725, 18319), (1015, 13085), (2617, 5075)]