399546879

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{72817}}^1$

素因数の和:72910

約数の個数: 16

約数和(自身を含む): 559242240

約数和(自身を除く): 159695361

約数列:

[1, 3, 31, 59, 93, 177, 1829, 5487, 72817, 218451, 2257327, 4296203, 6771981, 12888609, 133182293, 399546879]

約数ペア:

[(1, 399546879), (3, 133182293), (31, 12888609), (59, 6771981), (93, 4296203), (177, 2257327), (1829, 218451), (5487, 72817)]