68396985

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 123012864

約数和(自身を除く): 54615879

約数列:

[1, 3, 5, 9, 15, 45, 47, 73, 141, 219, 235, 365, 423, 443, 657, 705, 1095, 1329, 2115, 2215, 3285, 3431, 3987, 6645, 10293, 17155, 19935, 20821, 30879, 32339, 51465, 62463, 97017, 104105, 154395, 161695, 187389, 291051, 312315, 485085, 936945, 1455255, 1519933, 4559799, 7599665, 13679397, 22798995, 68396985]

約数ペア:

[(1, 68396985), (3, 22798995), (5, 13679397), (9, 7599665), (15, 4559799), (45, 1519933), (47, 1455255), (73, 936945), (141, 485085), (219, 312315), (235, 291051), (365, 187389), (423, 161695), (443, 154395), (657, 104105), (705, 97017), (1095, 62463), (1329, 51465), (2115, 32339), (2215, 30879), (3285, 20821), (3431, 19935), (3987, 17155), (6645, 10293)]