1927863

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 3234816

約数和(自身を除く): 1306953

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 431, 497, 639, 1293, 1491, 3017, 3879, 4473, 9051, 27153, 30601, 91803, 214207, 275409, 642621, 1927863]

約数ペア:

[(1, 1927863), (3, 642621), (7, 275409), (9, 214207), (21, 91803), (63, 30601), (71, 27153), (213, 9051), (431, 4473), (497, 3879), (639, 3017), (1293, 1491)]