220406151

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{419}}^1\times {\mathrm{677}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 346268160

約数和(自身を除く): 125862009

約数列:

[1, 3, 7, 21, 37, 111, 259, 419, 677, 777, 1257, 2031, 2933, 4739, 8799, 14217, 15503, 25049, 46509, 75147, 108521, 175343, 283663, 325563, 526029, 850989, 1985641, 5956923, 10495531, 31486593, 73468717, 220406151]

約数ペア:

[(1, 220406151), (3, 73468717), (7, 31486593), (21, 10495531), (37, 5956923), (111, 1985641), (259, 850989), (419, 526029), (677, 325563), (777, 283663), (1257, 175343), (2031, 108521), (2933, 75147), (4739, 46509), (8799, 25049), (14217, 15503)]