621738

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2678

約数の個数: 24

約数和(自身を含む): 1451268

約数和(自身を除く): 829530

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 2657, 5314, 7971, 15942, 23913, 34541, 47826, 69082, 103623, 207246, 310869, 621738]

約数ペア:

[(1, 621738), (2, 310869), (3, 207246), (6, 103623), (9, 69082), (13, 47826), (18, 34541), (26, 23913), (39, 15942), (78, 7971), (117, 5314), (234, 2657)]