2170222725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{2687}}^1$

素因数の和:2811

約数の個数: 72

約数和(自身を含む): 3989744640

約数和(自身を除く): 1819521915

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 89, 121, 165, 267, 275, 363, 445, 605, 825, 979, 1335, 1815, 2225, 2687, 2937, 3025, 4895, 6675, 8061, 9075, 10769, 13435, 14685, 24475, 29557, 32307, 40305, 53845, 67175, 73425, 88671, 147785, 161535, 201525, 239143, 269225, 325127, 443355, 717429, 738925, 807675, 975381, 1195715, 1625635, 2216775, 2630573, 3587145, 4876905, 5978575, 7891719, 8128175, 13152865, 17935725, 24384525, 28936303, 39458595, 65764325, 86808909, 144681515, 197292975, 434044545, 723407575, 2170222725]

約数ペア:

[(1, 2170222725), (3, 723407575), (5, 434044545), (11, 197292975), (15, 144681515), (25, 86808909), (33, 65764325), (55, 39458595), (75, 28936303), (89, 24384525), (121, 17935725), (165, 13152865), (267, 8128175), (275, 7891719), (363, 5978575), (445, 4876905), (605, 3587145), (825, 2630573), (979, 2216775), (1335, 1625635), (1815, 1195715), (2225, 975381), (2687, 807675), (2937, 738925), (3025, 717429), (4895, 443355), (6675, 325127), (8061, 269225), (9075, 239143), (10769, 201525), (13435, 161535), (14685, 147785), (24475, 88671), (29557, 73425), (32307, 67175), (40305, 53845)]