87144255

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 176191488

約数和(自身を除く): 89047233

約数列:

[1, 3, 5, 9, 11, 15, 27, 31, 33, 45, 55, 81, 93, 99, 135, 155, 165, 279, 297, 341, 405, 465, 495, 631, 837, 891, 1023, 1395, 1485, 1705, 1893, 2511, 3069, 3155, 4185, 4455, 5115, 5679, 6941, 9207, 9465, 12555, 15345, 17037, 19561, 20823, 27621, 28395, 34705, 46035, 51111, 58683, 62469, 85185, 97805, 104115, 138105, 176049, 187407, 215171, 255555, 293415, 312345, 528147, 562221, 645513, 880245, 937035, 1075855, 1584441, 1936539, 2640735, 2811105, 3227565, 5809617, 7922205, 9682695, 17428851, 29048085, 87144255]

約数ペア:

[(1, 87144255), (3, 29048085), (5, 17428851), (9, 9682695), (11, 7922205), (15, 5809617), (27, 3227565), (31, 2811105), (33, 2640735), (45, 1936539), (55, 1584441), (81, 1075855), (93, 937035), (99, 880245), (135, 645513), (155, 562221), (165, 528147), (279, 312345), (297, 293415), (341, 255555), (405, 215171), (465, 187407), (495, 176049), (631, 138105), (837, 104115), (891, 97805), (1023, 85185), (1395, 62469), (1485, 58683), (1705, 51111), (1893, 46035), (2511, 34705), (3069, 28395), (3155, 27621), (4185, 20823), (4455, 19561), (5115, 17037), (5679, 15345), (6941, 12555), (9207, 9465)]