205657947

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1637}}^1$

素因数の和:1710

約数の個数: 48

約数和(自身を含む): 343429632

約数和(自身を除く): 137771685

約数列:

[1, 3, 9, 11, 27, 33, 47, 81, 99, 141, 243, 297, 423, 517, 891, 1269, 1551, 1637, 2673, 3807, 4653, 4911, 11421, 13959, 14733, 18007, 41877, 44199, 54021, 76939, 125631, 132597, 162063, 230817, 397791, 486189, 692451, 846329, 1458567, 2077353, 2538987, 4375701, 6232059, 7616961, 18696177, 22850883, 68552649, 205657947]

約数ペア:

[(1, 205657947), (3, 68552649), (9, 22850883), (11, 18696177), (27, 7616961), (33, 6232059), (47, 4375701), (81, 2538987), (99, 2077353), (141, 1458567), (243, 846329), (297, 692451), (423, 486189), (517, 397791), (891, 230817), (1269, 162063), (1551, 132597), (1637, 125631), (2673, 76939), (3807, 54021), (4653, 44199), (4911, 41877), (11421, 18007), (13959, 14733)]