28141443

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:784

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 20919933

約数列:

[1, 3, 9, 11, 17, 23, 33, 51, 69, 99, 153, 187, 207, 253, 391, 561, 727, 759, 1173, 1683, 2181, 2277, 3519, 4301, 6543, 7997, 12359, 12903, 16721, 23991, 37077, 38709, 50163, 71973, 111231, 135949, 150489, 183931, 284257, 407847, 551793, 852771, 1223541, 1655379, 2558313, 3126827, 9380481, 28141443]

約数ペア:

[(1, 28141443), (3, 9380481), (9, 3126827), (11, 2558313), (17, 1655379), (23, 1223541), (33, 852771), (51, 551793), (69, 407847), (99, 284257), (153, 183931), (187, 150489), (207, 135949), (253, 111231), (391, 71973), (561, 50163), (727, 38709), (759, 37077), (1173, 23991), (1683, 16721), (2181, 12903), (2277, 12359), (3519, 7997), (4301, 6543)]