72145671

素因数分解:

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

素因数の和:260

約数の個数: 48

約数和(自身を含む): 113673504

約数和(自身を除く): 41527833

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 173, 221, 289, 481, 519, 629, 663, 867, 1443, 1887, 2249, 2941, 3757, 6401, 6747, 8177, 8823, 10693, 11271, 19203, 24531, 32079, 38233, 49997, 83213, 108817, 114699, 139009, 149991, 249639, 326451, 417027, 649961, 1414621, 1849889, 1949883, 4243863, 5549667, 24048557, 72145671]

約数ペア:

[(1, 72145671), (3, 24048557), (13, 5549667), (17, 4243863), (37, 1949883), (39, 1849889), (51, 1414621), (111, 649961), (173, 417027), (221, 326451), (289, 249639), (481, 149991), (519, 139009), (629, 114699), (663, 108817), (867, 83213), (1443, 49997), (1887, 38233), (2249, 32079), (2941, 24531), (3757, 19203), (6401, 11271), (6747, 10693), (8177, 8823)]