209217411

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 341309696

約数和(自身を除く): 132092285

約数列:

[1, 3, 9, 13, 27, 39, 81, 103, 117, 243, 309, 351, 643, 927, 1053, 1339, 1929, 2781, 3159, 4017, 5787, 8343, 8359, 12051, 17361, 25029, 25077, 36153, 52083, 66229, 75231, 108459, 156249, 198687, 225693, 325377, 596061, 677079, 860977, 1788183, 2031237, 2582931, 5364549, 7748793, 16093647, 23246379, 69739137, 209217411]

約数ペア:

[(1, 209217411), (3, 69739137), (9, 23246379), (13, 16093647), (27, 7748793), (39, 5364549), (81, 2582931), (103, 2031237), (117, 1788183), (243, 860977), (309, 677079), (351, 596061), (643, 325377), (927, 225693), (1053, 198687), (1339, 156249), (1929, 108459), (2781, 75231), (3159, 66229), (4017, 52083), (5787, 36153), (8343, 25077), (8359, 25029), (12051, 17361)]