39971763

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17981}}^1$

素因数の和:18019

約数の個数: 24

約数和(自身を含む): 65454480

約数和(自身を除く): 25482717

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 17981, 53943, 161829, 233753, 341639, 701259, 1024917, 2103777, 3074751, 4441307, 13323921, 39971763]

約数ペア:

[(1, 39971763), (3, 13323921), (9, 4441307), (13, 3074751), (19, 2103777), (39, 1024917), (57, 701259), (117, 341639), (171, 233753), (247, 161829), (741, 53943), (2223, 17981)]