1287741

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 32

約数和(自身を含む): 2177280

約数和(自身を除く): 889539

約数列:

[1, 3, 7, 13, 21, 39, 53, 89, 91, 159, 267, 273, 371, 623, 689, 1113, 1157, 1869, 2067, 3471, 4717, 4823, 8099, 14151, 14469, 24297, 33019, 61321, 99057, 183963, 429247, 1287741]

約数ペア:

[(1, 1287741), (3, 429247), (7, 183963), (13, 99057), (21, 61321), (39, 33019), (53, 24297), (89, 14469), (91, 14151), (159, 8099), (267, 4823), (273, 4717), (371, 3471), (623, 2067), (689, 1869), (1113, 1157)]