49681947

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^2\times {\mathrm{223}}^1$

素因数の和:439

約数の個数: 24

約数和(自身を含む): 76790784

約数和(自身を除く): 27108837

約数列:

[1, 3, 7, 21, 103, 223, 309, 669, 721, 1561, 2163, 4683, 10609, 22969, 31827, 68907, 74263, 160783, 222789, 482349, 2365807, 7097421, 16560649, 49681947]

約数ペア:

[(1, 49681947), (3, 16560649), (7, 7097421), (21, 2365807), (103, 482349), (223, 222789), (309, 160783), (669, 74263), (721, 68907), (1561, 31827), (2163, 22969), (4683, 10609)]