13971555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:465

約数の個数: 64

約数和(自身を含む): 28224000

約数和(自身を除く): 14252445

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 65, 95, 117, 135, 171, 195, 247, 285, 351, 419, 513, 585, 741, 855, 1235, 1257, 1755, 2095, 2223, 2565, 3705, 3771, 5447, 6285, 6669, 7961, 11115, 11313, 16341, 18855, 23883, 27235, 33345, 39805, 49023, 56565, 71649, 81705, 103493, 119415, 147069, 214947, 245115, 310479, 358245, 517465, 735345, 931437, 1074735, 1552395, 2794311, 4657185, 13971555]

約数ペア:

[(1, 13971555), (3, 4657185), (5, 2794311), (9, 1552395), (13, 1074735), (15, 931437), (19, 735345), (27, 517465), (39, 358245), (45, 310479), (57, 245115), (65, 214947), (95, 147069), (117, 119415), (135, 103493), (171, 81705), (195, 71649), (247, 56565), (285, 49023), (351, 39805), (419, 33345), (513, 27235), (585, 23883), (741, 18855), (855, 16341), (1235, 11313), (1257, 11115), (1755, 7961), (2095, 6669), (2223, 6285), (2565, 5447), (3705, 3771)]