87859995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^2$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 155403360

約数和(自身を除く): 67543365

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 109, 145, 255, 327, 435, 493, 545, 1479, 1635, 1853, 2465, 3161, 5559, 7395, 9265, 9483, 11881, 15805, 27795, 35643, 47415, 53737, 59405, 161211, 178215, 201977, 268685, 344549, 605931, 806055, 1009885, 1033647, 1722745, 3029655, 5168235, 5857333, 17571999, 29286665, 87859995]

約数ペア:

[(1, 87859995), (3, 29286665), (5, 17571999), (15, 5857333), (17, 5168235), (29, 3029655), (51, 1722745), (85, 1033647), (87, 1009885), (109, 806055), (145, 605931), (255, 344549), (327, 268685), (435, 201977), (493, 178215), (545, 161211), (1479, 59405), (1635, 53737), (1853, 47415), (2465, 35643), (3161, 27795), (5559, 15805), (7395, 11881), (9265, 9483)]