31997871

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 47376576

約数和(自身を除く): 15378705

約数列:

[1, 3, 9, 73, 113, 219, 339, 431, 657, 1017, 1293, 3879, 8249, 24747, 31463, 48703, 74241, 94389, 146109, 283167, 438327, 3555319, 10665957, 31997871]

約数ペア:

[(1, 31997871), (3, 10665957), (9, 3555319), (73, 438327), (113, 283167), (219, 146109), (339, 94389), (431, 74241), (657, 48703), (1017, 31463), (1293, 24747), (3879, 8249)]