1213320199119

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{813762709}}^1$

素因数の和:813762790

約数の個数: 16

約数和(自身を含む): 1874909283840

約数和(自身を除く): 661589084721

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 813762709, 2441288127, 5696338963, 17089016889, 57777152339, 173331457017, 404440066373, 1213320199119]

約数ペア:

[(1, 1213320199119), (3, 404440066373), (7, 173331457017), (21, 57777152339), (71, 17089016889), (213, 5696338963), (497, 2441288127), (1491, 813762709)]