16003491

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2111}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 25749504

約数和(自身を除く): 9746013

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2111, 2527, 6333, 7581, 14777, 40109, 44331, 120327, 280763, 762071, 842289, 2286213, 5334497, 16003491]

約数ペア:

[(1, 16003491), (3, 5334497), (7, 2286213), (19, 842289), (21, 762071), (57, 280763), (133, 120327), (361, 44331), (399, 40109), (1083, 14777), (2111, 7581), (2527, 6333)]