12731589

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 21660912

約数和(自身を除く): 8929323

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 173, 221, 333, 481, 519, 629, 663, 1443, 1557, 1887, 1989, 2249, 2941, 4329, 5661, 6401, 6747, 8177, 8823, 19203, 20241, 24531, 26469, 38233, 57609, 73593, 83213, 108817, 114699, 249639, 326451, 344097, 748917, 979353, 1414621, 4243863, 12731589]

約数ペア:

[(1, 12731589), (3, 4243863), (9, 1414621), (13, 979353), (17, 748917), (37, 344097), (39, 326451), (51, 249639), (111, 114699), (117, 108817), (153, 83213), (173, 73593), (221, 57609), (333, 38233), (481, 26469), (519, 24531), (629, 20241), (663, 19203), (1443, 8823), (1557, 8177), (1887, 6747), (1989, 6401), (2249, 5661), (2941, 4329)]