2187709155

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{76081}}^1$

素因数の和:76169

約数の個数: 40

約数和(自身を含む): 3976958304

約数和(自身を除く): 1789249149

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 5751, 9585, 28755, 76081, 228243, 380405, 684729, 1141215, 2054187, 3423645, 5401751, 6162561, 10270935, 16205253, 27008755, 30812805, 48615759, 81026265, 145847277, 243078795, 437541831, 729236385, 2187709155]

約数ペア:

[(1, 2187709155), (3, 729236385), (5, 437541831), (9, 243078795), (15, 145847277), (27, 81026265), (45, 48615759), (71, 30812805), (81, 27008755), (135, 16205253), (213, 10270935), (355, 6162561), (405, 5401751), (639, 3423645), (1065, 2054187), (1917, 1141215), (3195, 684729), (5751, 380405), (9585, 228243), (28755, 76081)]