28759347

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 44098560

約数和(自身を除く): 15339213

約数列:

[1, 3, 9, 27, 47, 131, 141, 173, 393, 423, 519, 1179, 1269, 1557, 3537, 4671, 6157, 8131, 18471, 22663, 24393, 55413, 67989, 73179, 166239, 203967, 219537, 611901, 1065161, 3195483, 9586449, 28759347]

約数ペア:

[(1, 28759347), (3, 9586449), (9, 3195483), (27, 1065161), (47, 611901), (131, 219537), (141, 203967), (173, 166239), (393, 73179), (423, 67989), (519, 55413), (1179, 24393), (1269, 22663), (1557, 18471), (3537, 8131), (4671, 6157)]