38821389

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{337}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 57108480

約数和(自身を除く): 18287091

約数列:

[1, 3, 19, 43, 47, 57, 129, 141, 337, 817, 893, 1011, 2021, 2451, 2679, 6063, 6403, 14491, 15839, 19209, 38399, 43473, 47517, 115197, 275329, 300941, 681077, 825987, 902823, 2043231, 12940463, 38821389]

約数ペア:

[(1, 38821389), (3, 12940463), (19, 2043231), (43, 902823), (47, 825987), (57, 681077), (129, 300941), (141, 275329), (337, 115197), (817, 47517), (893, 43473), (1011, 38399), (2021, 19209), (2451, 15839), (2679, 14491), (6063, 6403)]