128480715

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{359}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 250905600

約数和(自身を除く): 122424885

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 241, 297, 359, 495, 723, 1077, 1205, 1485, 1795, 2169, 2651, 3231, 3615, 3949, 5385, 6507, 7953, 9693, 10845, 11847, 13255, 16155, 19745, 23859, 32535, 35541, 39765, 48465, 59235, 71577, 86519, 106623, 119295, 177705, 259557, 357885, 432595, 533115, 778671, 951709, 1297785, 2336013, 2855127, 3893355, 4758545, 8565381, 11680065, 14275635, 25696143, 42826905, 128480715]

約数ペア:

[(1, 128480715), (3, 42826905), (5, 25696143), (9, 14275635), (11, 11680065), (15, 8565381), (27, 4758545), (33, 3893355), (45, 2855127), (55, 2336013), (99, 1297785), (135, 951709), (165, 778671), (241, 533115), (297, 432595), (359, 357885), (495, 259557), (723, 177705), (1077, 119295), (1205, 106623), (1485, 86519), (1795, 71577), (2169, 59235), (2651, 48465), (3231, 39765), (3615, 35541), (3949, 32535), (5385, 23859), (6507, 19745), (7953, 16155), (9693, 13255), (10845, 11847)]