421785777

素因数分解:

$3^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{10211}}^1$

素因数の和:10509

約数の個数: 24

約数和(自身を含む): 656590752

約数和(自身を除く): 234804975

約数列:

[1, 3, 7, 21, 49, 147, 281, 843, 1967, 5901, 10211, 13769, 30633, 41307, 71477, 214431, 500339, 1501017, 2869291, 8607873, 20085037, 60255111, 140595259, 421785777]

約数ペア:

[(1, 421785777), (3, 140595259), (7, 60255111), (21, 20085037), (49, 8607873), (147, 2869291), (281, 1501017), (843, 500339), (1967, 214431), (5901, 71477), (10211, 41307), (13769, 30633)]