29709009

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{27281}}^1$

素因数の和:27309

約数の個数: 18

約数和(自身を含む): 47170578

約数和(自身を除く): 17461569

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 27281, 81843, 245529, 300091, 900273, 2700819, 3301001, 9903003, 29709009]

約数ペア:

[(1, 29709009), (3, 9903003), (9, 3301001), (11, 2700819), (33, 900273), (99, 300091), (121, 245529), (363, 81843), (1089, 27281)]