28362831

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 44855808

約数和(自身を除く): 16492977

約数列:

[1, 3, 7, 21, 37, 111, 173, 211, 259, 519, 633, 777, 1211, 1477, 3633, 4431, 6401, 7807, 19203, 23421, 36503, 44807, 54649, 109509, 134421, 163947, 255521, 766563, 1350611, 4051833, 9454277, 28362831]

約数ペア:

[(1, 28362831), (3, 9454277), (7, 4051833), (21, 1350611), (37, 766563), (111, 255521), (173, 163947), (211, 134421), (259, 109509), (519, 54649), (633, 44807), (777, 36503), (1211, 23421), (1477, 19203), (3633, 7807), (4431, 6401)]