16213491

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6277}}^1$

素因数の和:6331

約数の個数: 24

約数和(自身を含む): 27422304

約数和(自身を除く): 11208813

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 6277, 18831, 43939, 56493, 131817, 257357, 395451, 772071, 1801499, 2316213, 5404497, 16213491]

約数ペア:

[(1, 16213491), (3, 5404497), (7, 2316213), (9, 1801499), (21, 772071), (41, 395451), (63, 257357), (123, 131817), (287, 56493), (369, 43939), (861, 18831), (2583, 6277)]