13280517

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{1291}}^1$

素因数の和:1430

約数の個数: 20

約数和(自身を含む): 20010496

約数和(自身を除く): 6729979

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 1291, 3429, 3873, 10287, 11619, 34857, 104571, 163957, 491871, 1475613, 4426839, 13280517]

約数ペア:

[(1, 13280517), (3, 4426839), (9, 1475613), (27, 491871), (81, 163957), (127, 104571), (381, 34857), (1143, 11619), (1291, 10287), (3429, 3873)]