20151653319

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{513431}}^1$

素因数の和:513540

約数の個数: 36

約数和(自身を含む): 34240780080

約数和(自身を除く): 14089126761

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 4361, 5607, 13083, 39249, 513431, 1540293, 3594017, 4620879, 10782051, 25158119, 32346153, 45695359, 75474357, 137086077, 226423071, 319867513, 411258231, 959602539, 2239072591, 2878807617, 6717217773, 20151653319]

約数ペア:

[(1, 20151653319), (3, 6717217773), (7, 2878807617), (9, 2239072591), (21, 959602539), (49, 411258231), (63, 319867513), (89, 226423071), (147, 137086077), (267, 75474357), (441, 45695359), (623, 32346153), (801, 25158119), (1869, 10782051), (4361, 4620879), (5607, 3594017), (13083, 1540293), (39249, 513431)]