27778891119

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69621281}}^1$

素因数の和:69621310

約数の個数: 16

約数和(自身を含む): 44557620480

約数和(自身を除く): 16778729361

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 69621281, 208863843, 487348967, 1322804339, 1462046901, 3968413017, 9259630373, 27778891119]

約数ペア:

[(1, 27778891119), (3, 9259630373), (7, 3968413017), (19, 1462046901), (21, 1322804339), (57, 487348967), (133, 208863843), (399, 69621281)]