128387835

素因数分解:

$3^7\times 5^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:284

約数の個数: 64

約数和(自身を含む): 236160000

約数和(自身を除く): 107772165

約数列:

[1, 3, 5, 9, 15, 27, 45, 59, 81, 135, 177, 199, 243, 295, 405, 531, 597, 729, 885, 995, 1215, 1593, 1791, 2187, 2655, 2985, 3645, 4779, 5373, 7965, 8955, 10935, 11741, 14337, 16119, 23895, 26865, 35223, 43011, 48357, 58705, 71685, 80595, 105669, 129033, 145071, 176115, 215055, 241785, 317007, 435213, 528345, 645165, 725355, 951021, 1585035, 2176065, 2853063, 4755105, 8559189, 14265315, 25677567, 42795945, 128387835]

約数ペア:

[(1, 128387835), (3, 42795945), (5, 25677567), (9, 14265315), (15, 8559189), (27, 4755105), (45, 2853063), (59, 2176065), (81, 1585035), (135, 951021), (177, 725355), (199, 645165), (243, 528345), (295, 435213), (405, 317007), (531, 241785), (597, 215055), (729, 176115), (885, 145071), (995, 129033), (1215, 105669), (1593, 80595), (1791, 71685), (2187, 58705), (2655, 48357), (2985, 43011), (3645, 35223), (4779, 26865), (5373, 23895), (7965, 16119), (8955, 14337), (10935, 11741)]