87019989

素因数分解:

$3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{6269}}^1$

素因数の和:6940

約数の個数: 16

約数和(自身を含む): 132823680

約数和(自身を除く): 45803691

約数列:

[1, 3, 7, 21, 661, 1983, 4627, 6269, 13881, 18807, 43883, 131649, 4143809, 12431427, 29006663, 87019989]

約数ペア:

[(1, 87019989), (3, 29006663), (7, 12431427), (21, 4143809), (661, 131649), (1983, 43883), (4627, 18807), (6269, 13881)]