80728713

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{16829}}^1$

素因数の和:16889

約数の個数: 24

約数和(自身を含む): 128648520

約数和(自身を除く): 47919807

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 16829, 50487, 151461, 218777, 656331, 689989, 1968993, 2069967, 6209901, 8969857, 26909571, 80728713]

約数ペア:

[(1, 80728713), (3, 26909571), (9, 8969857), (13, 6209901), (39, 2069967), (41, 1968993), (117, 689989), (123, 656331), (369, 218777), (533, 151461), (1599, 50487), (4797, 16829)]