259981731

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{523}}^1$

素因数の和:590

約数の個数: 60

約数和(自身を含む): 434824632

約数和(自身を除く): 174842901

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 81, 153, 171, 323, 361, 459, 513, 523, 969, 1083, 1377, 1539, 1569, 2907, 3249, 4707, 6137, 8721, 8891, 9747, 9937, 14121, 18411, 26163, 26673, 29241, 29811, 42363, 55233, 80019, 89433, 165699, 168929, 188803, 240057, 268299, 497097, 506787, 566409, 720171, 804897, 1520361, 1699227, 3209651, 4561083, 5097681, 9628953, 13683249, 15293043, 28886859, 86660577, 259981731]

約数ペア:

[(1, 259981731), (3, 86660577), (9, 28886859), (17, 15293043), (19, 13683249), (27, 9628953), (51, 5097681), (57, 4561083), (81, 3209651), (153, 1699227), (171, 1520361), (323, 804897), (361, 720171), (459, 566409), (513, 506787), (523, 497097), (969, 268299), (1083, 240057), (1377, 188803), (1539, 168929), (1569, 165699), (2907, 89433), (3249, 80019), (4707, 55233), (6137, 42363), (8721, 29811), (8891, 29241), (9747, 26673), (9937, 26163), (14121, 18411)]