28401849

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 51846912

約数和(自身を除く): 23445063

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 63, 69, 119, 153, 161, 207, 357, 391, 483, 1071, 1153, 1173, 1449, 2737, 3459, 3519, 8071, 8211, 10377, 19601, 24213, 24633, 26519, 58803, 72639, 79557, 137207, 176409, 185633, 238671, 411621, 450823, 556899, 1234863, 1352469, 1670697, 3155761, 4057407, 9467283, 28401849]

約数ペア:

[(1, 28401849), (3, 9467283), (7, 4057407), (9, 3155761), (17, 1670697), (21, 1352469), (23, 1234863), (51, 556899), (63, 450823), (69, 411621), (119, 238671), (153, 185633), (161, 176409), (207, 137207), (357, 79557), (391, 72639), (483, 58803), (1071, 26519), (1153, 24633), (1173, 24213), (1449, 19601), (2737, 10377), (3459, 8211), (3519, 8071)]