20131038459

素因数分解:

$3^4\times 7^1\times {\mathrm{631}}^1\times {\mathrm{56267}}^1$

素因数の和:56917

約数の個数: 40

約数和(自身を含む): 34423411968

約数和(自身を除く): 14292373509

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 631, 1893, 4417, 5679, 13251, 17037, 39753, 51111, 56267, 119259, 168801, 357777, 393869, 506403, 1181607, 1519209, 3544821, 4557627, 10634463, 31903389, 35504477, 106513431, 248531339, 319540293, 745594017, 958620879, 2236782051, 2875862637, 6710346153, 20131038459]

約数ペア:

[(1, 20131038459), (3, 6710346153), (7, 2875862637), (9, 2236782051), (21, 958620879), (27, 745594017), (63, 319540293), (81, 248531339), (189, 106513431), (567, 35504477), (631, 31903389), (1893, 10634463), (4417, 4557627), (5679, 3544821), (13251, 1519209), (17037, 1181607), (39753, 506403), (51111, 393869), (56267, 357777), (119259, 168801)]