28488243

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 46310400

約数和(自身を除く): 17822157

約数列:

[1, 3, 7, 17, 21, 51, 119, 199, 357, 401, 597, 1203, 1393, 2807, 3383, 4179, 6817, 8421, 10149, 20451, 23681, 47719, 71043, 79799, 143157, 239397, 558593, 1356583, 1675779, 4069749, 9496081, 28488243]

約数ペア:

[(1, 28488243), (3, 9496081), (7, 4069749), (17, 1675779), (21, 1356583), (51, 558593), (119, 239397), (199, 143157), (357, 79799), (401, 71043), (597, 47719), (1203, 23681), (1393, 20451), (2807, 10149), (3383, 8421), (4179, 6817)]