15771987

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2069}}^1$

素因数の和:2104

約数の個数: 36

約数和(自身を含む): 28632240

約数和(自身を除く): 12860253

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2069, 2541, 6207, 7623, 14483, 18621, 22759, 43449, 68277, 130347, 159313, 204831, 250349, 477939, 751047, 1433817, 1752443, 2253141, 5257329, 15771987]

約数ペア:

[(1, 15771987), (3, 5257329), (7, 2253141), (9, 1752443), (11, 1433817), (21, 751047), (33, 477939), (63, 250349), (77, 204831), (99, 159313), (121, 130347), (231, 68277), (363, 43449), (693, 22759), (847, 18621), (1089, 14483), (2069, 7623), (2541, 6207)]