20181636729

素因数分解:

$3^6\times {\mathrm{137}}^1\times {\mathrm{397}}^1\times {\mathrm{509}}^1$

素因数の和:1061

約数の個数: 56

約数和(自身を含む): 30616285320

約数和(自身を除く): 10434648591

約数列:

[1, 3, 9, 27, 81, 137, 243, 397, 411, 509, 729, 1191, 1233, 1527, 3573, 3699, 4581, 10719, 11097, 13743, 32157, 33291, 41229, 54389, 69733, 96471, 99873, 123687, 163167, 202073, 209199, 289413, 371061, 489501, 606219, 627597, 1468503, 1818657, 1882791, 4405509, 5455971, 5648373, 13216527, 16367913, 16945119, 27684001, 39649581, 49103739, 50835357, 83052003, 147311217, 249156009, 747468027, 2242404081, 6727212243, 20181636729]

約数ペア:

[(1, 20181636729), (3, 6727212243), (9, 2242404081), (27, 747468027), (81, 249156009), (137, 147311217), (243, 83052003), (397, 50835357), (411, 49103739), (509, 39649581), (729, 27684001), (1191, 16945119), (1233, 16367913), (1527, 13216527), (3573, 5648373), (3699, 5455971), (4581, 4405509), (10719, 1882791), (11097, 1818657), (13743, 1468503), (32157, 627597), (33291, 606219), (41229, 489501), (54389, 371061), (69733, 289413), (96471, 209199), (99873, 202073), (123687, 163167)]