28367127

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 42052608

約数和(自身を除く): 13685481

約数列:

[1, 3, 9, 71, 103, 213, 309, 431, 639, 927, 1293, 3879, 7313, 21939, 30601, 44393, 65817, 91803, 133179, 275409, 399537, 3151903, 9455709, 28367127]

約数ペア:

[(1, 28367127), (3, 9455709), (9, 3151903), (71, 399537), (103, 275409), (213, 133179), (309, 91803), (431, 65817), (639, 44393), (927, 30601), (1293, 21939), (3879, 7313)]