71991771

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1\times {\mathrm{2551}}^1$

素因数の和:2986

約数の個数: 16

約数和(自身を含む): 100446720

約数和(自身を除く): 28454949

約数列:

[1, 3, 23, 69, 409, 1227, 2551, 7653, 9407, 28221, 58673, 176019, 1043359, 3130077, 23997257, 71991771]

約数ペア:

[(1, 71991771), (3, 23997257), (23, 3130077), (69, 1043359), (409, 176019), (1227, 58673), (2551, 28221), (7653, 9407)]