19870461

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{56611}}^1$

素因数の和:56633

約数の個数: 16

約数和(自身を含む): 31702720

約数和(自身を除く): 11832259

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 56611, 169833, 509499, 735943, 1528497, 2207829, 6623487, 19870461]

約数ペア:

[(1, 19870461), (3, 6623487), (9, 2207829), (13, 1528497), (27, 735943), (39, 509499), (117, 169833), (351, 56611)]