30409841

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 40755456

約数和(自身を除く): 10345615

約数列:

[1, 7, 11, 23, 49, 77, 121, 161, 223, 253, 539, 847, 1127, 1561, 1771, 2453, 2783, 5129, 5929, 10927, 12397, 17171, 19481, 26983, 35903, 56419, 120197, 136367, 188881, 251321, 394933, 620609, 1322167, 2764531, 4344263, 30409841]

約数ペア:

[(1, 30409841), (7, 4344263), (11, 2764531), (23, 1322167), (49, 620609), (77, 394933), (121, 251321), (161, 188881), (223, 136367), (253, 120197), (539, 56419), (847, 35903), (1127, 26983), (1561, 19481), (1771, 17171), (2453, 12397), (2783, 10927), (5129, 5929)]