81107442

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20389}}^1$

素因数の和:20427

約数の個数: 48

約数和(自身を含む): 200392920

約数和(自身を除く): 119285478

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 20389, 40778, 61167, 122334, 183501, 265057, 346613, 367002, 530114, 693226, 795171, 1039839, 1590342, 2079678, 2385513, 3119517, 4505969, 4771026, 6239034, 9011938, 13517907, 27035814, 40553721, 81107442]

約数ペア:

[(1, 81107442), (2, 40553721), (3, 27035814), (6, 13517907), (9, 9011938), (13, 6239034), (17, 4771026), (18, 4505969), (26, 3119517), (34, 2385513), (39, 2079678), (51, 1590342), (78, 1039839), (102, 795171), (117, 693226), (153, 530114), (221, 367002), (234, 346613), (306, 265057), (442, 183501), (663, 122334), (1326, 61167), (1989, 40778), (3978, 20389)]