64740711

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6203}}^1$

素因数の和:6291

約数の個数: 24

約数和(自身を含む): 101844864

約数和(自身を除く): 37104153

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 6203, 10437, 18609, 43421, 130263, 303947, 440413, 911841, 1321239, 3082891, 9248673, 21580237, 64740711]

約数ペア:

[(1, 64740711), (3, 21580237), (7, 9248673), (21, 3082891), (49, 1321239), (71, 911841), (147, 440413), (213, 303947), (497, 130263), (1491, 43421), (3479, 18609), (6203, 10437)]