29927989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^2$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 38395392

約数和(自身を除く): 8467403

約数列:

[1, 7, 13, 31, 91, 103, 217, 403, 721, 1339, 2821, 3193, 9373, 10609, 22351, 41509, 74263, 137917, 290563, 328879, 965419, 2302153, 4275427, 29927989]

約数ペア:

[(1, 29927989), (7, 4275427), (13, 2302153), (31, 965419), (91, 328879), (103, 290563), (217, 137917), (403, 74263), (721, 41509), (1339, 22351), (2821, 10609), (3193, 9373)]