16123215

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 26712576

約数和(自身を除く): 10589361

約数列:

[1, 3, 5, 15, 61, 67, 183, 201, 263, 305, 335, 789, 915, 1005, 1315, 3945, 4087, 12261, 16043, 17621, 20435, 48129, 52863, 61305, 80215, 88105, 240645, 264315, 1074881, 3224643, 5374405, 16123215]

約数ペア:

[(1, 16123215), (3, 5374405), (5, 3224643), (15, 1074881), (61, 264315), (67, 240645), (183, 88105), (201, 80215), (263, 61305), (305, 52863), (335, 48129), (789, 20435), (915, 17621), (1005, 16043), (1315, 12261), (3945, 4087)]