123499995

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{8731}}^1$

素因数の和:8803

約数の個数: 32

約数和(自身を含む): 211244544

約数和(自身を除く): 87744549

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 2829, 4715, 8731, 14145, 26193, 43655, 130965, 200813, 357971, 602439, 1004065, 1073913, 1789855, 3012195, 5369565, 8233333, 24699999, 41166665, 123499995]

約数ペア:

[(1, 123499995), (3, 41166665), (5, 24699999), (15, 8233333), (23, 5369565), (41, 3012195), (69, 1789855), (115, 1073913), (123, 1004065), (205, 602439), (345, 357971), (615, 200813), (943, 130965), (2829, 43655), (4715, 26193), (8731, 14145)]