1728639

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:955

約数の個数: 24

約数和(自身を含む): 2870400

約数和(自身を除く): 1141761

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 919, 1881, 2757, 8271, 10109, 17461, 30327, 52383, 90981, 157149, 192071, 576213, 1728639]

約数ペア:

[(1, 1728639), (3, 576213), (9, 192071), (11, 157149), (19, 90981), (33, 52383), (57, 30327), (99, 17461), (171, 10109), (209, 8271), (627, 2757), (919, 1881)]