2651354349

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1778239}}^1$

素因数の和:1778320

約数の個数: 16

約数和(自身を含む): 4097064960

約数和(自身を除く): 1445710611

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 1778239, 5334717, 12447673, 37343019, 126254969, 378764907, 883784783, 2651354349]

約数ペア:

[(1, 2651354349), (3, 883784783), (7, 378764907), (21, 126254969), (71, 37343019), (213, 12447673), (497, 5334717), (1491, 1778239)]