428997681

素因数分解:

$3^3\times 7^1\times {\mathrm{2269829}}^1$

素因数の和:2269845

約数の個数: 16

約数和(自身を含む): 726345600

約数和(自身を除く): 297347919

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2269829, 6809487, 15888803, 20428461, 47666409, 61285383, 142999227, 428997681]

約数ペア:

[(1, 428997681), (3, 142999227), (7, 61285383), (9, 47666409), (21, 20428461), (27, 15888803), (63, 6809487), (189, 2269829)]