26900223

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 42470400

約数和(自身を除く): 15570177

約数列:

[1, 3, 7, 21, 41, 123, 157, 199, 287, 471, 597, 861, 1099, 1393, 3297, 4179, 6437, 8159, 19311, 24477, 31243, 45059, 57113, 93729, 135177, 171339, 218701, 656103, 1280963, 3842889, 8966741, 26900223]

約数ペア:

[(1, 26900223), (3, 8966741), (7, 3842889), (21, 1280963), (41, 656103), (123, 218701), (157, 171339), (199, 135177), (287, 93729), (471, 57113), (597, 45059), (861, 31243), (1099, 24477), (1393, 19311), (3297, 8159), (4179, 6437)]