31508061

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 48209280

約数和(自身を除く): 16701219

約数列:

[1, 3, 13, 19, 39, 57, 101, 247, 303, 421, 741, 1263, 1313, 1919, 3939, 5473, 5757, 7999, 16419, 23997, 24947, 42521, 74841, 103987, 127563, 311961, 552773, 807899, 1658319, 2423697, 10502687, 31508061]

約数ペア:

[(1, 31508061), (3, 10502687), (13, 2423697), (19, 1658319), (39, 807899), (57, 552773), (101, 311961), (247, 127563), (303, 103987), (421, 74841), (741, 42521), (1263, 24947), (1313, 23997), (1919, 16419), (3939, 7999), (5473, 5757)]