16872921

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{907}}^1$

素因数の和:982

約数の個数: 32

約数和(自身を含む): 27457920

約数和(自身を除く): 10584999

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 907, 1431, 2067, 2721, 6201, 8163, 11791, 18603, 24489, 35373, 48071, 106119, 144213, 318357, 432639, 624923, 1297917, 1874769, 5624307, 16872921]

約数ペア:

[(1, 16872921), (3, 5624307), (9, 1874769), (13, 1297917), (27, 624923), (39, 432639), (53, 318357), (117, 144213), (159, 106119), (351, 48071), (477, 35373), (689, 24489), (907, 18603), (1431, 11791), (2067, 8163), (2721, 6201)]