257430987

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9739}}^1$

素因数の和:9848

約数の個数: 32

約数和(自身を含む): 420768000

約数和(自身を除く): 163337013

約数列:

[1, 3, 9, 11, 27, 33, 89, 99, 267, 297, 801, 979, 2403, 2937, 8811, 9739, 26433, 29217, 87651, 107129, 262953, 321387, 866771, 964161, 2600313, 2892483, 7800939, 9534481, 23402817, 28603443, 85810329, 257430987]

約数ペア:

[(1, 257430987), (3, 85810329), (9, 28603443), (11, 23402817), (27, 9534481), (33, 7800939), (89, 2892483), (99, 2600313), (267, 964161), (297, 866771), (801, 321387), (979, 262953), (2403, 107129), (2937, 87651), (8811, 29217), (9739, 26433)]