28252497

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2797}}^1$

素因数の和:2857

約数の個数: 32

約数和(自身を含む): 47633152

約数和(自身を除く): 19380655

約数列:

[1, 3, 7, 13, 21, 37, 39, 91, 111, 259, 273, 481, 777, 1443, 2797, 3367, 8391, 10101, 19579, 36361, 58737, 103489, 109083, 254527, 310467, 724423, 763581, 1345357, 2173269, 4036071, 9417499, 28252497]

約数ペア:

[(1, 28252497), (3, 9417499), (7, 4036071), (13, 2173269), (21, 1345357), (37, 763581), (39, 724423), (91, 310467), (111, 254527), (259, 109083), (273, 103489), (481, 58737), (777, 36361), (1443, 19579), (2797, 10101), (3367, 8391)]