12781206

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{6397}}^1$

素因数の和:6445

約数の個数: 32

約数和(自身を含む): 29174880

約数和(自身を除く): 16393674

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 6397, 12794, 19191, 38382, 57573, 115146, 172719, 236689, 345438, 473378, 710067, 1420134, 2130201, 4260402, 6390603, 12781206]

約数ペア:

[(1, 12781206), (2, 6390603), (3, 4260402), (6, 2130201), (9, 1420134), (18, 710067), (27, 473378), (37, 345438), (54, 236689), (74, 172719), (111, 115146), (222, 57573), (333, 38382), (666, 19191), (999, 12794), (1998, 6397)]