380104557

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20269}}^1$

素因数の和:20345

約数の個数: 32

約数和(自身を含む): 622694400

約数和(自身を除く): 242589843

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 6251, 18753, 20269, 60807, 141883, 385111, 425649, 952643, 1155333, 2695777, 2857929, 6668501, 8087331, 18100217, 20005503, 54300651, 126701519, 380104557]

約数ペア:

[(1, 380104557), (3, 126701519), (7, 54300651), (19, 20005503), (21, 18100217), (47, 8087331), (57, 6668501), (133, 2857929), (141, 2695777), (329, 1155333), (399, 952643), (893, 425649), (987, 385111), (2679, 141883), (6251, 60807), (18753, 20269)]