978237

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{929}}^1$

素因数の和:954

約数の個数: 20

約数和(自身を含む): 1575420

約数和(自身を除く): 597183

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 929, 1053, 2787, 8361, 12077, 25083, 36231, 75249, 108693, 326079, 978237]

約数ペア:

[(1, 978237), (3, 326079), (9, 108693), (13, 75249), (27, 36231), (39, 25083), (81, 12077), (117, 8361), (351, 2787), (929, 1053)]