347692989

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{1381}}^1$

素因数の和:2041

約数の個数: 32

約数和(自身を含む): 558991360

約数和(自身を除く): 211298371

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 631, 1381, 1893, 4143, 4417, 9667, 11989, 13251, 26239, 29001, 35967, 78717, 83923, 183673, 251769, 551019, 871411, 2614233, 6099877, 16556809, 18299631, 49670427, 115897663, 347692989]

約数ペア:

[(1, 347692989), (3, 115897663), (7, 49670427), (19, 18299631), (21, 16556809), (57, 6099877), (133, 2614233), (399, 871411), (631, 551019), (1381, 251769), (1893, 183673), (4143, 83923), (4417, 78717), (9667, 35967), (11989, 29001), (13251, 26239)]