1901825541

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1283}}^1$

素因数の和:1364

約数の個数: 128

約数和(自身を含む): 3786670080

約数和(自身を除く): 1884844539

約数列:

[1, 3, 7, 9, 11, 21, 23, 27, 31, 33, 63, 69, 77, 93, 99, 161, 189, 207, 217, 231, 253, 279, 297, 341, 483, 621, 651, 693, 713, 759, 837, 1023, 1283, 1449, 1771, 1953, 2079, 2139, 2277, 2387, 3069, 3849, 4347, 4991, 5313, 5859, 6417, 6831, 7161, 7843, 8981, 9207, 11547, 14113, 14973, 15939, 19251, 21483, 23529, 26943, 29509, 34641, 39773, 42339, 44919, 47817, 54901, 64449, 70587, 80829, 88527, 98791, 119319, 127017, 134757, 164703, 206563, 211761, 242487, 265581, 278411, 296373, 324599, 357957, 381051, 437503, 494109, 619689, 796743, 835233, 889119, 914779, 973797, 1073871, 1312509, 1482327, 1859067, 2272193, 2505699, 2667357, 2744337, 2921391, 3062521, 3937527, 5577201, 6403453, 6816579, 7517097, 8233011, 8764173, 9187563, 10062569, 11812581, 19210359, 20449737, 24699033, 27562689, 30187707, 57631077, 61349211, 70437983, 82688067, 90563121, 172893231, 211313949, 271689363, 633941847, 1901825541]

約数ペア:

[(1, 1901825541), (3, 633941847), (7, 271689363), (9, 211313949), (11, 172893231), (21, 90563121), (23, 82688067), (27, 70437983), (31, 61349211), (33, 57631077), (63, 30187707), (69, 27562689), (77, 24699033), (93, 20449737), (99, 19210359), (161, 11812581), (189, 10062569), (207, 9187563), (217, 8764173), (231, 8233011), (253, 7517097), (279, 6816579), (297, 6403453), (341, 5577201), (483, 3937527), (621, 3062521), (651, 2921391), (693, 2744337), (713, 2667357), (759, 2505699), (837, 2272193), (1023, 1859067), (1283, 1482327), (1449, 1312509), (1771, 1073871), (1953, 973797), (2079, 914779), (2139, 889119), (2277, 835233), (2387, 796743), (3069, 619689), (3849, 494109), (4347, 437503), (4991, 381051), (5313, 357957), (5859, 324599), (6417, 296373), (6831, 278411), (7161, 265581), (7843, 242487), (8981, 211761), (9207, 206563), (11547, 164703), (14113, 134757), (14973, 127017), (15939, 119319), (19251, 98791), (21483, 88527), (23529, 80829), (26943, 70587), (29509, 64449), (34641, 54901), (39773, 47817), (42339, 44919)]