28815399

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{199}}^1$

素因数の和:412

約数の個数: 32

約数和(自身を含む): 44544000

約数和(自身を除く): 15728601

約数列:

[1, 3, 9, 27, 31, 93, 173, 199, 279, 519, 597, 837, 1557, 1791, 4671, 5363, 5373, 6169, 16089, 18507, 34427, 48267, 55521, 103281, 144801, 166563, 309843, 929529, 1067237, 3201711, 9605133, 28815399]

約数ペア:

[(1, 28815399), (3, 9605133), (9, 3201711), (27, 1067237), (31, 929529), (93, 309843), (173, 166563), (199, 144801), (279, 103281), (519, 55521), (597, 48267), (837, 34427), (1557, 18507), (1791, 16089), (4671, 6169), (5363, 5373)]