40472217

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{10631}}^1$

素因数の和:10690

約数の個数: 20

約数和(自身を含む): 61750656

約数和(自身を除く): 21278439

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 10631, 31893, 95679, 287037, 499657, 861111, 1498971, 4496913, 13490739, 40472217]

約数ペア:

[(1, 40472217), (3, 13490739), (9, 4496913), (27, 1498971), (47, 861111), (81, 499657), (141, 287037), (423, 95679), (1269, 31893), (3807, 10631)]