51457791

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^3\times {\mathrm{263}}^1$

素因数の和:313

約数の個数: 48

約数和(自身を含む): 88121088

約数和(自身を除く): 36663297

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 263, 363, 539, 789, 847, 1331, 1617, 1841, 2541, 2893, 3993, 5523, 5929, 8679, 9317, 12887, 17787, 20251, 27951, 31823, 38661, 60753, 65219, 95469, 141757, 195657, 222761, 350053, 425271, 668283, 1050159, 1559327, 2450371, 4677981, 7351113, 17152597, 51457791]

約数ペア:

[(1, 51457791), (3, 17152597), (7, 7351113), (11, 4677981), (21, 2450371), (33, 1559327), (49, 1050159), (77, 668283), (121, 425271), (147, 350053), (231, 222761), (263, 195657), (363, 141757), (539, 95469), (789, 65219), (847, 60753), (1331, 38661), (1617, 31823), (1841, 27951), (2541, 20251), (2893, 17787), (3993, 12887), (5523, 9317), (5929, 8679)]