218252865

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{20407}}^1$

素因数の和:20469

約数の個数: 32

約数和(自身を含む): 376160256

約数和(自身を除く): 157907391

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 2139, 3565, 10695, 20407, 61221, 102035, 306105, 469361, 632617, 1408083, 1897851, 2346805, 3163085, 7040415, 9489255, 14550191, 43650573, 72750955, 218252865]

約数ペア:

[(1, 218252865), (3, 72750955), (5, 43650573), (15, 14550191), (23, 9489255), (31, 7040415), (69, 3163085), (93, 2346805), (115, 1897851), (155, 1408083), (345, 632617), (465, 469361), (713, 306105), (2139, 102035), (3565, 61221), (10695, 20407)]