2211999

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{257}}^1$

素因数の和:430

約数の個数: 16

約数和(自身を含む): 3137280

約数和(自身を除く): 925281

約数列:

[1, 3, 19, 57, 151, 257, 453, 771, 2869, 4883, 8607, 14649, 38807, 116421, 737333, 2211999]

約数ペア:

[(1, 2211999), (3, 737333), (19, 116421), (57, 38807), (151, 14649), (257, 8607), (453, 4883), (771, 2869)]