287780865

素因数分解:

$3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1\times {\mathrm{421}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 465888000

約数和(自身を除く): 178107135

約数列:

[1, 3, 5, 15, 199, 229, 421, 597, 687, 995, 1145, 1263, 2105, 2985, 3435, 6315, 45571, 83779, 96409, 136713, 227855, 251337, 289227, 418895, 482045, 683565, 1256685, 1446135, 19185391, 57556173, 95926955, 287780865]

約数ペア:

[(1, 287780865), (3, 95926955), (5, 57556173), (15, 19185391), (199, 1446135), (229, 1256685), (421, 683565), (597, 482045), (687, 418895), (995, 289227), (1145, 251337), (1263, 227855), (2105, 136713), (2985, 96409), (3435, 83779), (6315, 45571)]