66401979

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{461}}^1$

素因数の和:528

約数の個数: 32

約数和(自身を含む): 107036160

約数和(自身を除く): 40634181

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 461, 1083, 1383, 2527, 3227, 6859, 7581, 8759, 9681, 20577, 26277, 48013, 61313, 144039, 166421, 183939, 499263, 1164947, 3161999, 3494841, 9485997, 22133993, 66401979]

約数ペア:

[(1, 66401979), (3, 22133993), (7, 9485997), (19, 3494841), (21, 3161999), (57, 1164947), (133, 499263), (361, 183939), (399, 166421), (461, 144039), (1083, 61313), (1383, 48013), (2527, 26277), (3227, 20577), (6859, 9681), (7581, 8759)]