40243149

素因数分解:

$3^4\times {\mathrm{691}}^1\times {\mathrm{719}}^1$

素因数の和:1422

約数の個数: 20

約数和(自身を含む): 60287040

約数和(自身を除く): 20043891

約数列:

[1, 3, 9, 27, 81, 691, 719, 2073, 2157, 6219, 6471, 18657, 19413, 55971, 58239, 496829, 1490487, 4471461, 13414383, 40243149]

約数ペア:

[(1, 40243149), (3, 13414383), (9, 4471461), (27, 1490487), (81, 496829), (691, 58239), (719, 55971), (2073, 19413), (2157, 18657), (6219, 6471)]