55781775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 115599744

約数和(自身を除く): 59817969

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 107, 175, 225, 315, 321, 331, 525, 535, 749, 963, 993, 1575, 1605, 1655, 2247, 2317, 2675, 2979, 3745, 4815, 4965, 6741, 6951, 8025, 8275, 11235, 11585, 14895, 18725, 20853, 24075, 24825, 33705, 34755, 35417, 56175, 57925, 74475, 104265, 106251, 168525, 173775, 177085, 247919, 318753, 521325, 531255, 743757, 885425, 1239595, 1593765, 2231271, 2656275, 3718785, 6197975, 7968825, 11156355, 18593925, 55781775]

約数ペア:

[(1, 55781775), (3, 18593925), (5, 11156355), (7, 7968825), (9, 6197975), (15, 3718785), (21, 2656275), (25, 2231271), (35, 1593765), (45, 1239595), (63, 885425), (75, 743757), (105, 531255), (107, 521325), (175, 318753), (225, 247919), (315, 177085), (321, 173775), (331, 168525), (525, 106251), (535, 104265), (749, 74475), (963, 57925), (993, 56175), (1575, 35417), (1605, 34755), (1655, 33705), (2247, 24825), (2317, 24075), (2675, 20853), (2979, 18725), (3745, 14895), (4815, 11585), (4965, 11235), (6741, 8275), (6951, 8025)]