551392191

素因数分解:

$3^4\times 7^1\times {\mathrm{972473}}^1$

素因数の和:972492

約数の個数: 20

約数和(自身を含む): 941354832

約数和(自身を除く): 389962641

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 972473, 2917419, 6807311, 8752257, 20421933, 26256771, 61265799, 78770313, 183797397, 551392191]

約数ペア:

[(1, 551392191), (3, 183797397), (7, 78770313), (9, 61265799), (21, 26256771), (27, 20421933), (63, 8752257), (81, 6807311), (189, 2917419), (567, 972473)]