128855421

素因数分解:

$3^3\times {\mathrm{223}}^1\times {\mathrm{21401}}^1$

素因数の和:21633

約数の個数: 16

約数和(自身を含む): 191761920

約数和(自身を除く): 62906499

約数列:

[1, 3, 9, 27, 223, 669, 2007, 6021, 21401, 64203, 192609, 577827, 4772423, 14317269, 42951807, 128855421]

約数ペア:

[(1, 128855421), (3, 42951807), (9, 14317269), (27, 4772423), (223, 577827), (669, 192609), (2007, 64203), (6021, 21401)]