128480823

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{26003}}^1$

素因数の和:26076

約数の個数: 20

約数和(自身を含む): 195082008

約数和(自身を除く): 66601185

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 26003, 78009, 234027, 702081, 1586183, 2106243, 4758549, 14275647, 42826941, 128480823]

約数ペア:

[(1, 128480823), (3, 42826941), (9, 14275647), (27, 4758549), (61, 2106243), (81, 1586183), (183, 702081), (549, 234027), (1647, 78009), (4941, 26003)]