2889855

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 5054400

約数和(自身を除く): 2164545

約数列:

[1, 3, 5, 9, 15, 45, 149, 431, 447, 745, 1293, 1341, 2155, 2235, 3879, 6465, 6705, 19395, 64219, 192657, 321095, 577971, 963285, 2889855]

約数ペア:

[(1, 2889855), (3, 963285), (5, 577971), (9, 321095), (15, 192657), (45, 64219), (149, 19395), (431, 6705), (447, 6465), (745, 3879), (1293, 2235), (1341, 2155)]