28439523

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1033}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 51617280

約数和(自身を除く): 23177757

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 1033, 1197, 1311, 1449, 3059, 3099, 3933, 7231, 9177, 9297, 19627, 21693, 23759, 27531, 58881, 65079, 71277, 137389, 166313, 176643, 213831, 412167, 451421, 498939, 1236501, 1354263, 1496817, 3159947, 4062789, 9479841, 28439523]

約数ペア:

[(1, 28439523), (3, 9479841), (7, 4062789), (9, 3159947), (19, 1496817), (21, 1354263), (23, 1236501), (57, 498939), (63, 451421), (69, 412167), (133, 213831), (161, 176643), (171, 166313), (207, 137389), (399, 71277), (437, 65079), (483, 58881), (1033, 27531), (1197, 23759), (1311, 21693), (1449, 19627), (3059, 9297), (3099, 9177), (3933, 7231)]