202131909

素因数分解:

$3^3\times 7^2\times {\mathrm{152783}}^1$

素因数の和:152806

約数の個数: 24

約数和(自身を含む): 348347520

約数和(自身を除く): 146215611

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 152783, 458349, 1069481, 1375047, 3208443, 4125141, 7486367, 9625329, 22459101, 28875987, 67377303, 202131909]

約数ペア:

[(1, 202131909), (3, 67377303), (7, 28875987), (9, 22459101), (21, 9625329), (27, 7486367), (49, 4125141), (63, 3208443), (147, 1375047), (189, 1069481), (441, 458349), (1323, 152783)]