128156985

素因数分解:

$3^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 96

約数和(自身を含む): 258306048

約数和(自身を除く): 130149063

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 43, 45, 55, 81, 99, 129, 135, 165, 215, 223, 243, 297, 387, 405, 473, 495, 645, 669, 891, 1115, 1161, 1215, 1419, 1485, 1935, 2007, 2365, 2453, 2673, 3345, 3483, 4257, 4455, 5805, 6021, 7095, 7359, 9589, 10035, 10449, 12265, 12771, 13365, 17415, 18063, 21285, 22077, 28767, 30105, 36795, 38313, 47945, 52245, 54189, 63855, 66231, 86301, 90315, 105479, 110385, 114939, 143835, 191565, 198693, 258903, 270945, 316437, 331155, 431505, 527395, 574695, 596079, 776709, 949311, 993465, 1294515, 1582185, 2330127, 2847933, 2980395, 3883545, 4746555, 8543799, 11650635, 14239665, 25631397, 42718995, 128156985]

約数ペア:

[(1, 128156985), (3, 42718995), (5, 25631397), (9, 14239665), (11, 11650635), (15, 8543799), (27, 4746555), (33, 3883545), (43, 2980395), (45, 2847933), (55, 2330127), (81, 1582185), (99, 1294515), (129, 993465), (135, 949311), (165, 776709), (215, 596079), (223, 574695), (243, 527395), (297, 431505), (387, 331155), (405, 316437), (473, 270945), (495, 258903), (645, 198693), (669, 191565), (891, 143835), (1115, 114939), (1161, 110385), (1215, 105479), (1419, 90315), (1485, 86301), (1935, 66231), (2007, 63855), (2365, 54189), (2453, 52245), (2673, 47945), (3345, 38313), (3483, 36795), (4257, 30105), (4455, 28767), (5805, 22077), (6021, 21285), (7095, 18063), (7359, 17415), (9589, 13365), (10035, 12771), (10449, 12265)]