2778799821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7783753}}^1$

素因数の和:7783780

約数の個数: 16

約数和(自身を含む): 4483442304

約数和(自身を除く): 1704642483

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 7783753, 23351259, 54486271, 132323801, 163458813, 396971403, 926266607, 2778799821]

約数ペア:

[(1, 2778799821), (3, 926266607), (7, 396971403), (17, 163458813), (21, 132323801), (51, 54486271), (119, 23351259), (357, 7783753)]