68508675

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 72

約数和(自身を含む): 128592464

約数和(自身を除く): 60083789

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 73, 75, 97, 129, 215, 219, 225, 291, 365, 387, 485, 645, 657, 873, 1075, 1095, 1455, 1825, 1935, 2425, 3139, 3225, 3285, 4171, 4365, 5475, 7081, 7275, 9417, 9675, 12513, 15695, 16425, 20855, 21243, 21825, 28251, 35405, 37539, 47085, 62565, 63729, 78475, 104275, 106215, 141255, 177025, 187695, 235425, 304483, 312825, 318645, 531075, 706275, 913449, 938475, 1522415, 1593225, 2740347, 4567245, 7612075, 13701735, 22836225, 68508675]

約数ペア:

[(1, 68508675), (3, 22836225), (5, 13701735), (9, 7612075), (15, 4567245), (25, 2740347), (43, 1593225), (45, 1522415), (73, 938475), (75, 913449), (97, 706275), (129, 531075), (215, 318645), (219, 312825), (225, 304483), (291, 235425), (365, 187695), (387, 177025), (485, 141255), (645, 106215), (657, 104275), (873, 78475), (1075, 63729), (1095, 62565), (1455, 47085), (1825, 37539), (1935, 35405), (2425, 28251), (3139, 21825), (3225, 21243), (3285, 20855), (4171, 16425), (4365, 15695), (5475, 12513), (7081, 9675), (7275, 9417)]