71972019

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{60127}}^1$

素因数の和:60159

約数の個数: 24

約数和(自身を含む): 125066240

約数和(自身を除く): 53094221

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 60127, 180381, 420889, 541143, 1142413, 1262667, 3427239, 3788001, 7996891, 10281717, 23990673, 71972019]

約数ペア:

[(1, 71972019), (3, 23990673), (7, 10281717), (9, 7996891), (19, 3788001), (21, 3427239), (57, 1262667), (63, 1142413), (133, 541143), (171, 420889), (399, 180381), (1197, 60127)]