81194391

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 130297440

約数和(自身を除く): 49103049

約数列:

[1, 3, 9, 19, 37, 41, 57, 111, 123, 171, 313, 333, 369, 703, 779, 939, 1517, 2109, 2337, 2817, 4551, 5947, 6327, 7011, 11581, 12833, 13653, 17841, 28823, 34743, 38499, 53523, 86469, 104229, 115497, 220039, 243827, 259407, 474821, 660117, 731481, 1424463, 1980351, 2194443, 4273389, 9021599, 27064797, 81194391]

約数ペア:

[(1, 81194391), (3, 27064797), (9, 9021599), (19, 4273389), (37, 2194443), (41, 1980351), (57, 1424463), (111, 731481), (123, 660117), (171, 474821), (313, 259407), (333, 243827), (369, 220039), (703, 115497), (779, 104229), (939, 86469), (1517, 53523), (2109, 38499), (2337, 34743), (2817, 28823), (4551, 17841), (5947, 13653), (6327, 12833), (7011, 11581)]