40124409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 61192320

約数和(自身を除く): 21067911

約数列:

[1, 3, 13, 19, 39, 57, 173, 247, 313, 519, 741, 939, 2249, 3287, 4069, 5947, 6747, 9861, 12207, 17841, 42731, 54149, 77311, 128193, 162447, 231933, 703937, 1028831, 2111811, 3086493, 13374803, 40124409]

約数ペア:

[(1, 40124409), (3, 13374803), (13, 3086493), (19, 2111811), (39, 1028831), (57, 703937), (173, 231933), (247, 162447), (313, 128193), (519, 77311), (741, 54149), (939, 42731), (2249, 17841), (3287, 12207), (4069, 9861), (5947, 6747)]