289431675

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1867}}^1$

素因数の和:1949

約数の個数: 72

約数和(自身を含む): 569119824

約数和(自身を除く): 279688149

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 53, 65, 75, 117, 159, 195, 225, 265, 325, 477, 585, 689, 795, 975, 1325, 1867, 2067, 2385, 2925, 3445, 3975, 5601, 6201, 9335, 10335, 11925, 16803, 17225, 24271, 28005, 31005, 46675, 51675, 72813, 84015, 98951, 121355, 140025, 155025, 218439, 296853, 364065, 420075, 494755, 606775, 890559, 1092195, 1286363, 1484265, 1820325, 2473775, 3859089, 4452795, 5460975, 6431815, 7421325, 11577267, 19295445, 22263975, 32159075, 57886335, 96477225, 289431675]

約数ペア:

[(1, 289431675), (3, 96477225), (5, 57886335), (9, 32159075), (13, 22263975), (15, 19295445), (25, 11577267), (39, 7421325), (45, 6431815), (53, 5460975), (65, 4452795), (75, 3859089), (117, 2473775), (159, 1820325), (195, 1484265), (225, 1286363), (265, 1092195), (325, 890559), (477, 606775), (585, 494755), (689, 420075), (795, 364065), (975, 296853), (1325, 218439), (1867, 155025), (2067, 140025), (2385, 121355), (2925, 98951), (3445, 84015), (3975, 72813), (5601, 51675), (6201, 46675), (9335, 31005), (10335, 28005), (11925, 24271), (16803, 17225)]