20181447

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5227}}^1$

素因数の和:5260

約数の個数: 32

約数和(自身を含む): 35132160

約数和(自身を除く): 14950713

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 297, 351, 429, 1287, 3861, 5227, 15681, 47043, 57497, 67951, 141129, 172491, 203853, 517473, 611559, 747461, 1552419, 1834677, 2242383, 6727149, 20181447]

約数ペア:

[(1, 20181447), (3, 6727149), (9, 2242383), (11, 1834677), (13, 1552419), (27, 747461), (33, 611559), (39, 517473), (99, 203853), (117, 172491), (143, 141129), (297, 67951), (351, 57497), (429, 47043), (1287, 15681), (3861, 5227)]