81216216

素因数分解:

$2^3\times 3^3\times {\mathrm{376001}}^1$

素因数の和:376016

約数の個数: 32

約数和(自身を含む): 225601200

約数和(自身を除く): 144384984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 376001, 752002, 1128003, 1504004, 2256006, 3008008, 3384009, 4512012, 6768018, 9024024, 10152027, 13536036, 20304054, 27072072, 40608108, 81216216]

約数ペア:

[(1, 81216216), (2, 40608108), (3, 27072072), (4, 20304054), (6, 13536036), (8, 10152027), (9, 9024024), (12, 6768018), (18, 4512012), (24, 3384009), (27, 3008008), (36, 2256006), (54, 1504004), (72, 1128003), (108, 752002), (216, 376001)]