2005771917

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{499}}^1\times {\mathrm{727}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 2853760000

約数和(自身を除く): 847988083

約数列:

[1, 3, 19, 57, 97, 291, 499, 727, 1497, 1843, 2181, 5529, 9481, 13813, 28443, 41439, 48403, 70519, 145209, 211557, 362773, 919657, 1088319, 1339861, 2758971, 4019583, 6892687, 20678061, 35188981, 105566943, 668590639, 2005771917]

約数ペア:

[(1, 2005771917), (3, 668590639), (19, 105566943), (57, 35188981), (97, 20678061), (291, 6892687), (499, 4019583), (727, 2758971), (1497, 1339861), (1843, 1088319), (2181, 919657), (5529, 362773), (9481, 211557), (13813, 145209), (28443, 70519), (41439, 48403)]