28679289

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{19391}}^1$

素因数の和:19440

約数の個数: 16

約数和(自身を含む): 41886720

約数和(自身を除く): 13207431

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 19391, 58173, 329647, 562339, 988941, 1687017, 9559763, 28679289]

約数ペア:

[(1, 28679289), (3, 9559763), (17, 1687017), (29, 988941), (51, 562339), (87, 329647), (493, 58173), (1479, 19391)]