127757985

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7879}}^1$

素因数の和:7957

約数の個数: 32

約数和(自身を含む): 217866240

約数和(自身を除く): 90108255

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 7879, 16215, 23637, 39395, 118185, 181217, 370313, 543651, 906085, 1110939, 1851565, 2718255, 5554695, 8517199, 25551597, 42585995, 127757985]

約数ペア:

[(1, 127757985), (3, 42585995), (5, 25551597), (15, 8517199), (23, 5554695), (47, 2718255), (69, 1851565), (115, 1110939), (141, 906085), (235, 543651), (345, 370313), (705, 181217), (1081, 118185), (3243, 39395), (5405, 23637), (7879, 16215)]