27819771

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 44083200

約数和(自身を除く): 16263429

約数列:

[1, 3, 7, 21, 41, 79, 123, 237, 287, 409, 553, 861, 1227, 1659, 2863, 3239, 8589, 9717, 16769, 22673, 32311, 50307, 68019, 96933, 117383, 226177, 352149, 678531, 1324751, 3974253, 9273257, 27819771]

約数ペア:

[(1, 27819771), (3, 9273257), (7, 3974253), (21, 1324751), (41, 678531), (79, 352149), (123, 226177), (237, 117383), (287, 96933), (409, 68019), (553, 50307), (861, 32311), (1227, 22673), (1659, 16769), (2863, 9717), (3239, 8589)]