2161184415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15901}}^1$

素因数の和:15980

約数の個数: 64

約数和(自身を含む): 4039362432

約数和(自身を除く): 1878178017

約数列:

[1, 3, 5, 13, 15, 17, 39, 41, 51, 65, 85, 123, 195, 205, 221, 255, 533, 615, 663, 697, 1105, 1599, 2091, 2665, 3315, 3485, 7995, 9061, 10455, 15901, 27183, 45305, 47703, 79505, 135915, 206713, 238515, 270317, 620139, 651941, 810951, 1033565, 1351585, 1955823, 3100695, 3259705, 3514121, 4054755, 8475233, 9779115, 10542363, 11082997, 17570605, 25425699, 33248991, 42376165, 52711815, 55414985, 127128495, 144078961, 166244955, 432236883, 720394805, 2161184415]

約数ペア:

[(1, 2161184415), (3, 720394805), (5, 432236883), (13, 166244955), (15, 144078961), (17, 127128495), (39, 55414985), (41, 52711815), (51, 42376165), (65, 33248991), (85, 25425699), (123, 17570605), (195, 11082997), (205, 10542363), (221, 9779115), (255, 8475233), (533, 4054755), (615, 3514121), (663, 3259705), (697, 3100695), (1105, 1955823), (1599, 1351585), (2091, 1033565), (2665, 810951), (3315, 651941), (3485, 620139), (7995, 270317), (9061, 238515), (10455, 206713), (15901, 135915), (27183, 79505), (45305, 47703)]