1940991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 2813664

約数和(自身を除く): 872673

約数列:

[1, 3, 13, 39, 157, 317, 471, 951, 2041, 4121, 6123, 12363, 49769, 149307, 646997, 1940991]

約数ペア:

[(1, 1940991), (3, 646997), (13, 149307), (39, 49769), (157, 12363), (317, 6123), (471, 4121), (951, 2041)]