291218073

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 417623040

約数和(自身を除く): 126404967

約数列:

[1, 3, 19, 57, 71, 213, 227, 317, 681, 951, 1349, 4047, 4313, 6023, 12939, 16117, 18069, 22507, 48351, 67521, 71959, 215877, 306223, 427633, 918669, 1282899, 1367221, 4101663, 5109089, 15327267, 97072691, 291218073]

約数ペア:

[(1, 291218073), (3, 97072691), (19, 15327267), (57, 5109089), (71, 4101663), (213, 1367221), (227, 1282899), (317, 918669), (681, 427633), (951, 306223), (1349, 215877), (4047, 71959), (4313, 67521), (6023, 48351), (12939, 22507), (16117, 18069)]