2187203487

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5481713}}^1$

素因数の和:5481742

約数の個数: 16

約数和(自身を含む): 3508296960

約数和(自身を除く): 1321093473

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5481713, 16445139, 38371991, 104152547, 115115973, 312457641, 729067829, 2187203487]

約数ペア:

[(1, 2187203487), (3, 729067829), (7, 312457641), (19, 115115973), (21, 104152547), (57, 38371991), (133, 16445139), (399, 5481713)]