278545923

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{16061}}^1$

素因数の和:16155

約数の個数: 24

約数和(自身を含む): 420952896

約数和(自身を除く): 142406973

約数列:

[1, 3, 9, 41, 47, 123, 141, 369, 423, 1927, 5781, 16061, 17343, 48183, 144549, 658501, 754867, 1975503, 2264601, 5926509, 6793803, 30949547, 92848641, 278545923]

約数ペア:

[(1, 278545923), (3, 92848641), (9, 30949547), (41, 6793803), (47, 5926509), (123, 2264601), (141, 1975503), (369, 754867), (423, 658501), (1927, 144549), (5781, 48183), (16061, 17343)]