56177775

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 112291920

約数和(自身を除く): 56114145

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 45, 51, 57, 75, 85, 95, 153, 171, 225, 255, 285, 323, 425, 475, 765, 773, 855, 969, 1275, 1425, 1615, 2319, 2907, 3825, 3865, 4275, 4845, 6957, 8075, 11595, 13141, 14535, 14687, 19325, 24225, 34785, 39423, 44061, 57975, 65705, 72675, 73435, 118269, 132183, 173925, 197115, 220305, 249679, 328525, 367175, 591345, 660915, 749037, 985575, 1101525, 1248395, 2247111, 2956725, 3304575, 3745185, 6241975, 11235555, 18725925, 56177775]

約数ペア:

[(1, 56177775), (3, 18725925), (5, 11235555), (9, 6241975), (15, 3745185), (17, 3304575), (19, 2956725), (25, 2247111), (45, 1248395), (51, 1101525), (57, 985575), (75, 749037), (85, 660915), (95, 591345), (153, 367175), (171, 328525), (225, 249679), (255, 220305), (285, 197115), (323, 173925), (425, 132183), (475, 118269), (765, 73435), (773, 72675), (855, 65705), (969, 57975), (1275, 44061), (1425, 39423), (1615, 34785), (2319, 24225), (2907, 19325), (3825, 14687), (3865, 14535), (4275, 13141), (4845, 11595), (6957, 8075)]