28127961

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1597}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 43209920

約数和(自身を除く): 15081959

約数列:

[1, 3, 9, 19, 57, 103, 171, 309, 927, 1597, 1957, 4791, 5871, 14373, 17613, 30343, 91029, 164491, 273087, 493473, 1480419, 3125329, 9375987, 28127961]

約数ペア:

[(1, 28127961), (3, 9375987), (9, 3125329), (19, 1480419), (57, 493473), (103, 273087), (171, 164491), (309, 91029), (927, 30343), (1597, 17613), (1957, 14373), (4791, 5871)]