87779517

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{245881}}^1$

素因数の和:245908

約数の個数: 16

約数和(自身を含む): 141628032

約数和(自身を除く): 53848515

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 245881, 737643, 1721167, 4179977, 5163501, 12539931, 29259839, 87779517]

約数ペア:

[(1, 87779517), (3, 29259839), (7, 12539931), (17, 5163501), (21, 4179977), (51, 1721167), (119, 737643), (357, 245881)]