138595989

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 214859776

約数和(自身を除く): 76263787

約数列:

[1, 3, 7, 21, 127, 157, 331, 381, 471, 889, 993, 1099, 2317, 2667, 3297, 6951, 19939, 42037, 51967, 59817, 126111, 139573, 155901, 294259, 363769, 418719, 882777, 1091307, 6599809, 19799427, 46198663, 138595989]

約数ペア:

[(1, 138595989), (3, 46198663), (7, 19799427), (21, 6599809), (127, 1091307), (157, 882777), (331, 418719), (381, 363769), (471, 294259), (889, 155901), (993, 139573), (1099, 126111), (2317, 59817), (2667, 51967), (3297, 42037), (6951, 19939)]