26728665

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 45121536

約数和(自身を除く): 18392871

約数列:

[1, 3, 5, 15, 31, 47, 93, 141, 155, 235, 465, 705, 1223, 1457, 3669, 4371, 6115, 7285, 18345, 21855, 37913, 57481, 113739, 172443, 189565, 287405, 568695, 862215, 1781911, 5345733, 8909555, 26728665]

約数ペア:

[(1, 26728665), (3, 8909555), (5, 5345733), (15, 1781911), (31, 862215), (47, 568695), (93, 287405), (141, 189565), (155, 172443), (235, 113739), (465, 57481), (705, 37913), (1223, 21855), (1457, 18345), (3669, 7285), (4371, 6115)]