27705915

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{8923}}^1$

素因数の和:8960

約数の個数: 32

約数和(自身を含む): 51402240

約数和(自身を除く): 23696325

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 8923, 26769, 44615, 80307, 133845, 205229, 240921, 401535, 615687, 1026145, 1204605, 1847061, 3078435, 5541183, 9235305, 27705915]

約数ペア:

[(1, 27705915), (3, 9235305), (5, 5541183), (9, 3078435), (15, 1847061), (23, 1204605), (27, 1026145), (45, 615687), (69, 401535), (115, 240921), (135, 205229), (207, 133845), (345, 80307), (621, 44615), (1035, 26769), (3105, 8923)]