137975721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 202567680

約数和(自身を除く): 64591959

約数列:

[1, 3, 13, 39, 89, 127, 267, 313, 381, 939, 1157, 1651, 3471, 4069, 4953, 11303, 12207, 27857, 33909, 39751, 83571, 119253, 146939, 362141, 440817, 516763, 1086423, 1550289, 3537839, 10613517, 45991907, 137975721]

約数ペア:

[(1, 137975721), (3, 45991907), (13, 10613517), (39, 3537839), (89, 1550289), (127, 1086423), (267, 516763), (313, 440817), (381, 362141), (939, 146939), (1157, 119253), (1651, 83571), (3471, 39751), (4069, 33909), (4953, 27857), (11303, 12207)]