66873121

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 86220288

約数和(自身を除く): 19347167

約数列:

[1, 7, 17, 23, 53, 119, 161, 371, 391, 461, 901, 1219, 2737, 3227, 6307, 7837, 8533, 10603, 20723, 24433, 54859, 74221, 145061, 171031, 180251, 415361, 561959, 1261757, 2907527, 3933713, 9553303, 66873121]

約数ペア:

[(1, 66873121), (7, 9553303), (17, 3933713), (23, 2907527), (53, 1261757), (119, 561959), (161, 415361), (371, 180251), (391, 171031), (461, 145061), (901, 74221), (1219, 54859), (2737, 24433), (3227, 20723), (6307, 10603), (7837, 8533)]