31897971

素因数分解:

$3^2\times 7^3\times {\mathrm{10333}}^1$

素因数の和:10360

約数の個数: 24

約数和(自身を含む): 53736800

約数和(自身を除く): 21838829

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 10333, 30999, 72331, 92997, 216993, 506317, 650979, 1518951, 3544219, 4556853, 10632657, 31897971]

約数ペア:

[(1, 31897971), (3, 10632657), (7, 4556853), (9, 3544219), (21, 1518951), (49, 650979), (63, 506317), (147, 216993), (343, 92997), (441, 72331), (1029, 30999), (3087, 10333)]