91289457

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6803}}^1$

素因数の和:6890

約数の個数: 32

約数和(自身を含む): 156764160

約数和(自身を除く): 65474703

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1491, 1917, 4473, 6803, 13419, 20409, 47621, 61227, 142863, 183681, 428589, 483013, 1285767, 1449039, 3381091, 4347117, 10143273, 13041351, 30429819, 91289457]

約数ペア:

[(1, 91289457), (3, 30429819), (7, 13041351), (9, 10143273), (21, 4347117), (27, 3381091), (63, 1449039), (71, 1285767), (189, 483013), (213, 428589), (497, 183681), (639, 142863), (1491, 61227), (1917, 47621), (4473, 20409), (6803, 13419)]