39917691

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:725

約数の個数: 40

約数和(自身を含む): 66071808

約数和(自身を除く): 26154117

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 99, 213, 297, 631, 639, 781, 891, 1893, 1917, 2343, 5679, 5751, 6941, 7029, 17037, 20823, 21087, 44801, 51111, 62469, 63261, 134403, 187407, 403209, 492811, 562221, 1209627, 1478433, 3628881, 4435299, 13305897, 39917691]

約数ペア:

[(1, 39917691), (3, 13305897), (9, 4435299), (11, 3628881), (27, 1478433), (33, 1209627), (71, 562221), (81, 492811), (99, 403209), (213, 187407), (297, 134403), (631, 63261), (639, 62469), (781, 51111), (891, 44801), (1893, 21087), (1917, 20823), (2343, 17037), (5679, 7029), (5751, 6941)]