201219711

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{1061}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 335218176

約数和(自身を除く): 133998465

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 821, 1061, 2463, 3183, 5747, 7427, 9031, 11671, 17241, 22281, 27093, 35013, 63217, 81697, 189651, 245091, 871081, 2613243, 6097567, 9581891, 18292701, 28745673, 67073237, 201219711]

約数ペア:

[(1, 201219711), (3, 67073237), (7, 28745673), (11, 18292701), (21, 9581891), (33, 6097567), (77, 2613243), (231, 871081), (821, 245091), (1061, 189651), (2463, 81697), (3183, 63217), (5747, 35013), (7427, 27093), (9031, 22281), (11671, 17241)]