1946457981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{787}}^1\times {\mathrm{21139}}^1$

素因数の和:21945

約数の個数: 24

約数和(自身を含む): 3031814240

約数和(自身を除く): 1085356259

約数列:

[1, 3, 9, 13, 39, 117, 787, 2361, 7083, 10231, 21139, 30693, 63417, 92079, 190251, 274807, 824421, 2473263, 16636393, 49909179, 149727537, 216273109, 648819327, 1946457981]

約数ペア:

[(1, 1946457981), (3, 648819327), (9, 216273109), (13, 149727537), (39, 49909179), (117, 16636393), (787, 2473263), (2361, 824421), (7083, 274807), (10231, 190251), (21139, 92079), (30693, 63417)]