27781515

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10831}}^1$

素因数の和:10864

約数の個数: 32

約数和(自身を含む): 51993600

約数和(自身を除く): 24212085

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 10831, 32493, 54155, 97479, 162465, 205789, 292437, 487395, 617367, 1028945, 1462185, 1852101, 3086835, 5556303, 9260505, 27781515]

約数ペア:

[(1, 27781515), (3, 9260505), (5, 5556303), (9, 3086835), (15, 1852101), (19, 1462185), (27, 1028945), (45, 617367), (57, 487395), (95, 292437), (135, 205789), (171, 162465), (285, 97479), (513, 54155), (855, 32493), (2565, 10831)]