28263681

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{19751}}^1$

素因数の和:19813

約数の個数: 16

約数和(自身を含む): 42664320

約数和(自身を除く): 14400639

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 19751, 59253, 177759, 533277, 1046803, 3140409, 9421227, 28263681]

約数ペア:

[(1, 28263681), (3, 9421227), (9, 3140409), (27, 1046803), (53, 533277), (159, 177759), (477, 59253), (1431, 19751)]