487974249

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 819486720

約数和(自身を除く): 331512471

約数列:

[1, 3, 7, 9, 21, 63, 107, 191, 321, 379, 573, 749, 963, 1137, 1337, 1719, 2247, 2653, 3411, 4011, 6741, 7959, 12033, 20437, 23877, 40553, 61311, 72389, 121659, 143059, 183933, 217167, 283871, 364977, 429177, 506723, 651501, 851613, 1287531, 1520169, 2554839, 4560507, 7745623, 23236869, 54219361, 69710607, 162658083, 487974249]

約数ペア:

[(1, 487974249), (3, 162658083), (7, 69710607), (9, 54219361), (21, 23236869), (63, 7745623), (107, 4560507), (191, 2554839), (321, 1520169), (379, 1287531), (573, 851613), (749, 651501), (963, 506723), (1137, 429177), (1337, 364977), (1719, 283871), (2247, 217167), (2653, 183933), (3411, 143059), (4011, 121659), (6741, 72389), (7959, 61311), (12033, 40553), (20437, 23877)]