81215994

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1\times {\mathrm{1031}}^1$

素因数の和:1746

約数の個数: 32

約数和(自身を含む): 171394560

約数和(自身を除く): 90178566

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 691, 1031, 1382, 2062, 2073, 3093, 4146, 6186, 13129, 19589, 26258, 39178, 39387, 58767, 78774, 117534, 712421, 1424842, 2137263, 4274526, 13535999, 27071998, 40607997, 81215994]

約数ペア:

[(1, 81215994), (2, 40607997), (3, 27071998), (6, 13535999), (19, 4274526), (38, 2137263), (57, 1424842), (114, 712421), (691, 117534), (1031, 78774), (1382, 58767), (2062, 39387), (2073, 39178), (3093, 26258), (4146, 19589), (6186, 13129)]