1878487989

素因数分解:

$3^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{195737}}^1$

素因数の和:196204

約数の個数: 16

約数和(自身を含む): 2868736128

約数和(自身を除く): 990248139

約数列:

[1, 3, 7, 21, 457, 1371, 3199, 9597, 195737, 587211, 1370159, 4110477, 89451809, 268355427, 626162663, 1878487989]

約数ペア:

[(1, 1878487989), (3, 626162663), (7, 268355427), (21, 89451809), (457, 4110477), (1371, 1370159), (3199, 587211), (9597, 195737)]