2005909899

素因数分解:

$3^1\times 7^1\times {\mathrm{10139}}^1\times {\mathrm{9421}}^1$

素因数の和:19570

約数の個数: 16

約数和(自身を含む): 3057250560

約数和(自身を除く): 1051340661

約数列:

[1, 3, 7, 21, 9421, 10139, 28263, 30417, 65947, 70973, 197841, 212919, 95519519, 286558557, 668636633, 2005909899]

約数ペア:

[(1, 2005909899), (3, 668636633), (7, 286558557), (21, 95519519), (9421, 212919), (10139, 197841), (28263, 70973), (30417, 65947)]