12128985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 23250240

約数和(自身を除く): 11121255

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 107, 165, 229, 321, 495, 535, 687, 963, 1145, 1177, 1605, 2061, 2519, 3435, 3531, 4815, 5885, 7557, 10305, 10593, 12595, 17655, 22671, 24503, 37785, 52965, 73509, 113355, 122515, 220527, 269533, 367545, 808599, 1102635, 1347665, 2425797, 4042995, 12128985]

約数ペア:

[(1, 12128985), (3, 4042995), (5, 2425797), (9, 1347665), (11, 1102635), (15, 808599), (33, 367545), (45, 269533), (55, 220527), (99, 122515), (107, 113355), (165, 73509), (229, 52965), (321, 37785), (495, 24503), (535, 22671), (687, 17655), (963, 12595), (1145, 10593), (1177, 10305), (1605, 7557), (2061, 5885), (2519, 4815), (3435, 3531)]