17772741

素因数分解:

$3^2\times 7^2\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 36

約数和(自身を含む): 30161664

約数和(自身を除く): 12388923

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 191, 211, 441, 573, 633, 1337, 1477, 1719, 1899, 4011, 4431, 9359, 10339, 12033, 13293, 28077, 31017, 40301, 84231, 93051, 120903, 282107, 362709, 846321, 1974749, 2538963, 5924247, 17772741]

約数ペア:

[(1, 17772741), (3, 5924247), (7, 2538963), (9, 1974749), (21, 846321), (49, 362709), (63, 282107), (147, 120903), (191, 93051), (211, 84231), (441, 40301), (573, 31017), (633, 28077), (1337, 13293), (1477, 12033), (1719, 10339), (1899, 9359), (4011, 4431)]