287705085

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1\times {\mathrm{1571}}^1$

素因数の和:2029

約数の個数: 32

約数和(自身を含む): 477636480

約数和(自身を除く): 189931395

約数列:

[1, 3, 5, 15, 29, 87, 145, 421, 435, 1263, 1571, 2105, 4713, 6315, 7855, 12209, 23565, 36627, 45559, 61045, 136677, 183135, 227795, 661391, 683385, 1984173, 3306955, 9920865, 19180339, 57541017, 95901695, 287705085]

約数ペア:

[(1, 287705085), (3, 95901695), (5, 57541017), (15, 19180339), (29, 9920865), (87, 3306955), (145, 1984173), (421, 683385), (435, 661391), (1263, 227795), (1571, 183135), (2105, 136677), (4713, 61045), (6315, 45559), (7855, 36627), (12209, 23565)]