51408513

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{48821}}^1$

素因数の和:48846

約数の個数: 20

約数和(自身を含む): 82704468

約数和(自身を除く): 31295955

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 48821, 146463, 439389, 634673, 1318167, 1904019, 3954501, 5712057, 17136171, 51408513]

約数ペア:

[(1, 51408513), (3, 17136171), (9, 5712057), (13, 3954501), (27, 1904019), (39, 1318167), (81, 634673), (117, 439389), (351, 146463), (1053, 48821)]