11991987

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11197}}^1$

素因数の和:11227

約数の個数: 24

約数和(自身を含む): 20962656

約数和(自身を除く): 8970669

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 11197, 33591, 78379, 100773, 190349, 235137, 571047, 705411, 1332443, 1713141, 3997329, 11991987]

約数ペア:

[(1, 11991987), (3, 3997329), (7, 1713141), (9, 1332443), (17, 705411), (21, 571047), (51, 235137), (63, 190349), (119, 100773), (153, 78379), (357, 33591), (1071, 11197)]