211672857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:669

約数の個数: 32

約数和(自身を含む): 313611264

約数和(自身を除く): 101938407

約数列:

[1, 3, 11, 33, 107, 151, 321, 397, 453, 1177, 1191, 1661, 3531, 4367, 4983, 13101, 16157, 42479, 48471, 59947, 127437, 177727, 179841, 467269, 533181, 659417, 1401807, 1978251, 6414329, 19242987, 70557619, 211672857]

約数ペア:

[(1, 211672857), (3, 70557619), (11, 19242987), (33, 6414329), (107, 1978251), (151, 1401807), (321, 659417), (397, 533181), (453, 467269), (1177, 179841), (1191, 177727), (1661, 127437), (3531, 59947), (4367, 48471), (4983, 42479), (13101, 16157)]