2142231

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 3830400

約数和(自身を除く): 1688169

約数列:

[1, 3, 7, 13, 19, 21, 39, 49, 57, 59, 91, 133, 147, 177, 247, 273, 399, 413, 637, 741, 767, 931, 1121, 1239, 1729, 1911, 2301, 2793, 2891, 3363, 5187, 5369, 7847, 8673, 12103, 14573, 16107, 23541, 36309, 37583, 43719, 54929, 102011, 112749, 164787, 306033, 714077, 2142231]

約数ペア:

[(1, 2142231), (3, 714077), (7, 306033), (13, 164787), (19, 112749), (21, 102011), (39, 54929), (49, 43719), (57, 37583), (59, 36309), (91, 23541), (133, 16107), (147, 14573), (177, 12103), (247, 8673), (273, 7847), (399, 5369), (413, 5187), (637, 3363), (741, 2891), (767, 2793), (931, 2301), (1121, 1911), (1239, 1729)]