214217721

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{2447}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 316203264

約数和(自身を除く): 101985543

約数列:

[1, 3, 9, 71, 137, 213, 411, 639, 1233, 2447, 7341, 9727, 22023, 29181, 87543, 173737, 335239, 521211, 1005717, 1563633, 3017151, 23801969, 71405907, 214217721]

約数ペア:

[(1, 214217721), (3, 71405907), (9, 23801969), (71, 3017151), (137, 1563633), (213, 1005717), (411, 521211), (639, 335239), (1233, 173737), (2447, 87543), (7341, 29181), (9727, 22023)]