281687672007

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1\times {\mathrm{37649}}^1$

素因数の和:38973

約数の個数: 64

約数和(自身を含む): 492715008000

約数和(自身を除く): 211027335993

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1277, 1953, 3831, 5859, 8939, 11493, 26817, 34479, 37649, 39587, 80451, 112947, 118761, 241353, 263543, 277109, 338841, 356283, 790629, 831327, 1016523, 1068849, 1167119, 2371887, 2493981, 3501357, 7115661, 7481943, 8169833, 10504071, 24509499, 31512213, 48077773, 73528497, 144233319, 220585491, 336544411, 432699957, 1009633233, 1298099871, 1490410963, 3028899699, 4471232889, 9086699097, 10432876741, 13413698667, 31298630223, 40241096001, 93895890669, 281687672007]

約数ペア:

[(1, 281687672007), (3, 93895890669), (7, 40241096001), (9, 31298630223), (21, 13413698667), (27, 10432876741), (31, 9086699097), (63, 4471232889), (93, 3028899699), (189, 1490410963), (217, 1298099871), (279, 1009633233), (651, 432699957), (837, 336544411), (1277, 220585491), (1953, 144233319), (3831, 73528497), (5859, 48077773), (8939, 31512213), (11493, 24509499), (26817, 10504071), (34479, 8169833), (37649, 7481943), (39587, 7115661), (80451, 3501357), (112947, 2493981), (118761, 2371887), (241353, 1167119), (263543, 1068849), (277109, 1016523), (338841, 831327), (356283, 790629)]