248907897

素因数分解:

$3^4\times 7^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1$

素因数の和:98

約数の個数: 120

約数和(自身を含む): 475481600

約数和(自身を除く): 226573703

約数列:

[1, 3, 7, 9, 17, 21, 27, 31, 49, 51, 63, 81, 93, 119, 147, 153, 189, 217, 279, 289, 343, 357, 441, 459, 527, 567, 651, 833, 837, 867, 1029, 1071, 1323, 1377, 1519, 1581, 1953, 2023, 2499, 2511, 2601, 3087, 3213, 3689, 3969, 4557, 4743, 5831, 5859, 6069, 7497, 7803, 8959, 9261, 9639, 10633, 11067, 13671, 14161, 14229, 17493, 17577, 18207, 22491, 23409, 25823, 26877, 27783, 31899, 33201, 41013, 42483, 42687, 52479, 54621, 62713, 67473, 77469, 80631, 95697, 99127, 99603, 123039, 127449, 157437, 163863, 180761, 188139, 232407, 241893, 287091, 297381, 298809, 382347, 438991, 472311, 542283, 564417, 697221, 725679, 861273, 892143, 1147041, 1316973, 1626849, 1693251, 2091663, 2676429, 3072937, 3950919, 4880547, 5079753, 8029287, 9218811, 11852757, 14641641, 27656433, 35558271, 82969299, 248907897]

約数ペア:

[(1, 248907897), (3, 82969299), (7, 35558271), (9, 27656433), (17, 14641641), (21, 11852757), (27, 9218811), (31, 8029287), (49, 5079753), (51, 4880547), (63, 3950919), (81, 3072937), (93, 2676429), (119, 2091663), (147, 1693251), (153, 1626849), (189, 1316973), (217, 1147041), (279, 892143), (289, 861273), (343, 725679), (357, 697221), (441, 564417), (459, 542283), (527, 472311), (567, 438991), (651, 382347), (833, 298809), (837, 297381), (867, 287091), (1029, 241893), (1071, 232407), (1323, 188139), (1377, 180761), (1519, 163863), (1581, 157437), (1953, 127449), (2023, 123039), (2499, 99603), (2511, 99127), (2601, 95697), (3087, 80631), (3213, 77469), (3689, 67473), (3969, 62713), (4557, 54621), (4743, 52479), (5831, 42687), (5859, 42483), (6069, 41013), (7497, 33201), (7803, 31899), (8959, 27783), (9261, 26877), (9639, 25823), (10633, 23409), (11067, 22491), (13671, 18207), (14161, 17577), (14229, 17493)]