2001441

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 32

約数和(自身を含む): 3149440

約数和(自身を除く): 1147999

約数列:

[1, 3, 13, 19, 37, 39, 57, 73, 111, 219, 247, 481, 703, 741, 949, 1387, 1443, 2109, 2701, 2847, 4161, 8103, 9139, 18031, 27417, 35113, 51319, 54093, 105339, 153957, 667147, 2001441]

約数ペア:

[(1, 2001441), (3, 667147), (13, 153957), (19, 105339), (37, 54093), (39, 51319), (57, 35113), (73, 27417), (111, 18031), (219, 9139), (247, 8103), (481, 4161), (703, 2847), (741, 2701), (949, 2109), (1387, 1443)]