864216

素因数分解:

$2^3\times 3^3\times {\mathrm{4001}}^1$

素因数の和:4016

約数の個数: 32

約数和(自身を含む): 2401200

約数和(自身を除く): 1536984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 4001, 8002, 12003, 16004, 24006, 32008, 36009, 48012, 72018, 96024, 108027, 144036, 216054, 288072, 432108, 864216]

約数ペア:

[(1, 864216), (2, 432108), (3, 288072), (4, 216054), (6, 144036), (8, 108027), (9, 96024), (12, 72018), (18, 48012), (24, 36009), (27, 32008), (36, 24006), (54, 16004), (72, 12003), (108, 8002), (216, 4001)]