255732921

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{98321}}^1$

素因数の和:98361

約数の個数: 18

約数和(自身を含む): 392403102

約数和(自身を除く): 136670181

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 98321, 294963, 884889, 1671457, 5014371, 15043113, 28414769, 85244307, 255732921]

約数ペア:

[(1, 255732921), (3, 85244307), (9, 28414769), (17, 15043113), (51, 5014371), (153, 1671457), (289, 884889), (867, 294963), (2601, 98321)]